{"id":26922,"date":"2019-04-02T15:36:33","date_gmt":"2019-04-02T10:06:33","guid":{"rendered":"https:\/\/cracku.in\/blog\/?p=26922"},"modified":"2019-04-02T15:36:33","modified_gmt":"2019-04-02T10:06:33","slug":"time-and-work-questions-for-lic-aao-pdf","status":"publish","type":"post","link":"https:\/\/cracku.in\/blog\/time-and-work-questions-for-lic-aao-pdf\/","title":{"rendered":"Time and Work Questions for LIC AAO PDF"},"content":{"rendered":"<h1><span style=\"text-decoration: underline;\"><strong>Time and Work Questions for LIC AAO PDF:<\/strong><\/span><\/h1>\n<p>Download Important Time &amp; Work questions for LIC AAO exam. Top 25 Quant Time &amp; Work questions with answers based on previous year asked questions.<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/downloads\/3911\" target=\"_blank\" class=\"btn btn-danger  download\">Download Time and Work Questions for LIC AAO PDF<\/a><\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p>Take a <a href=\"https:\/\/cracku.in\/lic-aao-mock-test\" target=\"_blank\" rel=\"noopener\">free mock test for LIC AAO<\/a><\/p>\n<p><a href=\"https:\/\/cracku.in\/insurance-previous-papers\" target=\"_blank\" rel=\"noopener\">Download LIC AAO Previous Papers PDF<\/a><\/p>\n<p><b>Question 1:\u00a0<\/b>Riya Manasvi and Pintu start running around a circular stadium and complete one round in 24 s, 6 s and 14 s respectively. In how much time will they meet again at the starting point ?<\/p>\n<p>a)\u00a01 min 32 s<\/p>\n<p>b)\u00a04 min 8 s<\/p>\n<p>c)\u00a03 min 25 s<\/p>\n<p>d)\u00a02 min 48 s<\/p>\n<p>e)\u00a0None of these<\/p>\n<p><b>Question 2:\u00a0<\/b>The radius of a circular field is equal to the side of a square field whose perimeter is 784 feet. What is the area of the circular field?<\/p>\n<p>a)\u00a0107914 sq ft<\/p>\n<p>b)\u00a0120736 sq ft<\/p>\n<p>c)\u00a0107362 sq ft<\/p>\n<p>d)\u00a0127306 sq ft<\/p>\n<p>e)\u00a0None of these<\/p>\n<p><b>Question 3:\u00a0<\/b>Harish, Dilip and Asha start running around a circular stadium and complete one round in 27 s, 9 s and 36 s respectively. In how much time will they meet again at the same point?<\/p>\n<p>a)\u00a01 min 48 s<\/p>\n<p>b)\u00a02 min 36 s<\/p>\n<p>c)\u00a03 min 11 s<\/p>\n<p>d)\u00a02 min 25 s<\/p>\n<p>e)\u00a0None of these<\/p>\n<p><b>Question 4:\u00a0<\/b>A 280 m long train crosses a platform thrice its length in 6 min 40 s. What is the speed of the train?<\/p>\n<p>a)\u00a03.2 m\/s<\/p>\n<p>b)\u00a01.4 m\/s<\/p>\n<p>c)\u00a02.8 m\/s<\/p>\n<p>d)\u00a0Cannot be determined<\/p>\n<p>e)\u00a0None of these<\/p>\n<p><b>Question 5:\u00a0<\/b>A truck covers a distance of 640 km in 10 h. A car covers the same distance in 8 h. What is the respective ratio between the speed of the truck and the car?<\/p>\n<p>a)\u00a03: 4<\/p>\n<p>b)\u00a01: 2<\/p>\n<p>c)\u00a05: 6<\/p>\n<p>d)\u00a06: 7<\/p>\n<p>e)\u00a0None of these<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/insurance-previous-papers\" target=\"_blank\" class=\"btn btn-danger \">Download LIC AAO Previous Papers PDF<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/computer-awareness-tests\" target=\"_blank\" class=\"btn btn-primary \">100 Free Computer Awareness Tests for LIC<\/a><\/p>\n<p><b>Question 6:\u00a0<\/b>The average speed of a bus is 8 times the average speed of a bike. The bike covers a distance of 186 km in 3 hours. How much distance will the bus cover in 10 hours ?<\/p>\n<p>a)\u00a04069 km<\/p>\n<p>b)\u00a04096 km<\/p>\n<p>c)\u00a04960 km<\/p>\n<p>d)\u00a04690 km<\/p>\n<p>e)\u00a0None of these<\/p>\n<p><b>Question 7:\u00a0<\/b>If speed of a boat in still water is 20 km\/hour and it is going against the river which is 10 km wide and flowing with a speed of 15 km\/hour. How much time will boat take to finish the river?<\/p>\n<p>a)\u00a03 hour<\/p>\n<p>b)\u00a02 hour<\/p>\n<p>c)\u00a04 hour<\/p>\n<p>d)\u00a05 hour<\/p>\n<p>e)\u00a06 hour<\/p>\n<p><b>Question 8:\u00a0<\/b>Two trains are running towards each other with speeds of 40 km\/h and 30 km\/h. If the initial distance between them is 140 km,\u00a0how long will it take\u00a0to\u00a0meet them with each other?<\/p>\n<p>a)\u00a01 hr<\/p>\n<p>b)\u00a01.5 hr<\/p>\n<p>c)\u00a02 hr<\/p>\n<p>d)\u00a02.5 hr<\/p>\n<p>e)\u00a03 hr<\/p>\n<p><b>Question 9:\u00a0<\/b>Two trains with lengths 200 meter and 300 meter are travelling towards each other with speeds of 20 km\/h and 10 km\/h. If initial distance between them is 4 km., How long will it take to cross them with each other?<\/p>\n<p>a)\u00a02.5 h<\/p>\n<p>b)\u00a01.0 h<\/p>\n<p>c)\u00a01.2 h<\/p>\n<p>d)\u00a02 h<\/p>\n<p>e)\u00a01.5 h<\/p>\n<p><b>Question 10:\u00a0<\/b>What is the time taken by a boat to travel 20 km upstream and 20 km downstream if it can sail at 10 km\/hr in still water and the eater current is 2 km\/hr?<\/p>\n<p>a)\u00a04 hours<\/p>\n<p>b)\u00a03 hours 40 minutes<\/p>\n<p>c)\u00a04 hours 10 minutes<\/p>\n<p>d)\u00a04 hours 15 minutes<\/p>\n<p>e)\u00a0None of these<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/blog\/general-knowledge-questions-and-answers-for-competitive-exams-pdf\/\" target=\"_blank\" class=\"btn btn-alone \">Download LIC GK Material PDF<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/free-gk-tests\" target=\"_blank\" class=\"btn btn-info \">100 Free GK Tests for Insurance Exams<\/a><\/p>\n<p><b>Question 11:\u00a0<\/b>If Raj increases his speed by 20%, by what percent will the time get reduced in traveling the same distance?<\/p>\n<p>a)\u00a010%<\/p>\n<p>b)\u00a016.66%<\/p>\n<p>c)\u00a018%<\/p>\n<p>d)\u00a020%<\/p>\n<p>e)\u00a025%<\/p>\n<p><b>Question 12:\u00a0<\/b>Two trains with lengths 200 meter and 300 meter are travelling towards each other with speeds of 20 km\/h and 10 km\/h. If initial distance between them is 4 km., How long will it take to cross them with each other?<\/p>\n<p>a)\u00a02.5 h<\/p>\n<p>b)\u00a01.0 h<\/p>\n<p>c)\u00a01.2 h<\/p>\n<p>d)\u00a00.2 h<\/p>\n<p>e)\u00a0.15 h<\/p>\n<p><b>Question 13:\u00a0<\/b>What is the time taken by a boat to travel 20 km upstream and 20 km downstream if it can sail at 10 km\/hr in still water and the eater current is 2 km\/hr?<\/p>\n<p>a)\u00a04 hours<\/p>\n<p>b)\u00a03 hours 40 minutes<\/p>\n<p>c)\u00a04 hours 10 minutes<\/p>\n<p>d)\u00a04 hours 15 minutes<\/p>\n<p>e)\u00a0None of these<\/p>\n<p><b>Question 14:\u00a0<\/b>A and B together can complete a task in 20 days. B and C together can complete the same task in 30 days. A and C together can complete the same task in 40 days. What is the respective ratio of the number of days taken by A when completing the same task along to the number of days taken by C when completing the same task alone?<\/p>\n<p>a)\u00a02 : 5<\/p>\n<p>b)\u00a02 : 7<\/p>\n<p>c)\u00a03 : 7<\/p>\n<p>d)\u00a01 : 5<\/p>\n<p>e)\u00a03 : 5<\/p>\n<p><b>Question 15:\u00a0<\/b>A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1\/3 hours to fill the tank. The leak can drain all the water of the tank in:<\/p>\n<p>a)\u00a043 hrs<\/p>\n<p>b)\u00a09 hrs<\/p>\n<p>c)\u00a010 hrs<\/p>\n<p>d)\u00a014 hrs<\/p>\n<p>e)\u00a0None of these<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/blog\/lic-aao-reasoning-questions-pdf\/\" target=\"_blank\" class=\"btn btn-danger red\">LIC AAO REASONING QUESTIONS PDF<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/lic-aao-mock-test\" target=\"_blank\" class=\"btn btn-info \">LIC AAO Free Mock Test<\/a><\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p><b>Question 16:\u00a0<\/b>Two taps A and B can fill a tank in 5 hours and 20 hours respectively. If both the taps are open then due to a leakage, it took 30 minutes more to fill the tank. If the tank is full, how long will it take for the leakage alone to empty the tank?<\/p>\n<p>a)\u00a044 hrs<\/p>\n<p>b)\u00a012 hrs<\/p>\n<p>c)\u00a018 hrs<\/p>\n<p>d)\u00a036 hrs<\/p>\n<p>e)\u00a0None of these<\/p>\n<p><b>Question 17:\u00a0<\/b>Paul\u2019s efficiency of doing a project is 40% more than that of Peter. If Peter takes 28 days to complete the project, how long will both of them working together take to complete the project?<\/p>\n<p>a)\u00a011 (2\/3) days<\/p>\n<p>b)\u00a013 days<\/p>\n<p>c)\u00a011 (1\/3) days<\/p>\n<p>d)\u00a020 days<\/p>\n<p>e)\u00a0Data Insufficient<\/p>\n<p><b>Question 18:\u00a0<\/b>When all of them are opened together, 4 taps of equal efficiency can fill an empty tank in 10 hours. Find the time in which 6 taps working together can fill 2 tanks.<\/p>\n<p>a)\u00a011 hours<\/p>\n<p>b)\u00a08.67 hours<\/p>\n<p>c)\u00a015 hours<\/p>\n<p>d)\u00a010 hours<\/p>\n<p>e)\u00a013.33 hours<\/p>\n<p><b>Question 19:\u00a0<\/b>8 students, each working for 10 hours a day, can complete a project in 16 days. If 4 students leave after 5 days, how many more hours per day should the remaining students put in so that the project is completed on time?<\/p>\n<p>a)\u00a020 hours<\/p>\n<p>b)\u00a010 hours<\/p>\n<p>c)\u00a08 hours<\/p>\n<p>d)\u00a06 hours<\/p>\n<p>e)\u00a05 hours<\/p>\n<p><b>Question 20:\u00a0<\/b>If Azhar can eat a cake in 6 minutes, Basha in 3 minutes and Carina in 2 minutes, how long will all of them together take to finish a cake?<\/p>\n<p>a)\u00a01 minute<\/p>\n<p>b)\u00a01.5 minutes<\/p>\n<p>c)\u00a02 minutes<\/p>\n<p>d)\u00a02.5 minutes<\/p>\n<p>e)\u00a0None of the above<\/p>\n<p><b>Question 21:\u00a0<\/b>A, B and C can together finish a project in 1 hour. A alone can finish it in 6 hours, C alone can finish it in 2 hours. How long will B take to finish the project working alone?<\/p>\n<p>a)\u00a01 hour<\/p>\n<p>b)\u00a04 hours<\/p>\n<p>c)\u00a05 hours<\/p>\n<p>d)\u00a03 hours<\/p>\n<p>e)\u00a0None of the above<\/p>\n<p><b>Question 22:\u00a0<\/b>Ramesh drives from his house to office at 40 kmph and immediately drives back to his house at 60 kmph. What is his average speed during the entire journey?<\/p>\n<p>a)\u00a048 kmph<\/p>\n<p>b)\u00a050 kmph<\/p>\n<p>c)\u00a052 kmph<\/p>\n<p>d)\u00a045 kmph<\/p>\n<p>e)\u00a042 kmph<\/p>\n<p><b>Question 23:\u00a0<\/b>A tap A can fill a tank in 6 hours and B can fill the same tank in 4 hours. There is a leak at the bottom of the tank which can empty a full tank in 12 hours. How many hours will it take taps A and B to fill the entire tank ?<\/p>\n<p>a)\u00a01 hour<\/p>\n<p>b)\u00a03 hours<\/p>\n<p>c)\u00a05 hours<\/p>\n<p>d)\u00a07 hours<\/p>\n<p>e)\u00a011 hours<\/p>\n<p><b>Question 24:\u00a0<\/b>Seven boys working together or eleven girls working together can complete a project in 15 days. How long will one boy and one girl take to complete the project?<\/p>\n<p>a)\u00a0$62 \\frac{1}{6}$ days<\/p>\n<p>b)\u00a0$63 \\frac{1}{6}$ days<\/p>\n<p>c)\u00a0$61 \\frac{1}{6}$ days<\/p>\n<p>d)\u00a0$60 \\frac{1}{6}$ days<\/p>\n<p>e)\u00a0None of the above<\/p>\n<p><b>Question 25:\u00a0<\/b>The efficiencies of Amir, Aravind and Amal are in the ratio 4 : 3 : 2. They started working on a project together and completed it in 10 days. If the three of them was paid a total amount of Rs 30,000 at the end of the tenth day for the entire project, how much did Aravind earn each day for the project?<\/p>\n<p>a)\u00a0Rs 1500<\/p>\n<p>b)\u00a0Rs 1800<\/p>\n<p>c)\u00a0Rs 1200<\/p>\n<p>d)\u00a0Rs 2000<\/p>\n<p>e)\u00a0Rs 1000<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/blog\/general-science-questions-answers-competitive-exams-pdf-mcq-quiz\/\" target=\"_blank\" class=\"btn btn-warning \">Download General Science Material PDF<\/a><\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p><span style=\"text-decoration: underline;\"><strong>Answers &amp; Solutions:<\/strong><\/span><\/p>\n<p><strong>1)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p>The time of their meeting again can be calciulated by taking LCM of 24, 6 and 14.<br \/>\nLCM of 24, 6 and 14 = 168<br \/>\nNow, 168 seconds = 2 min 48 s.<br \/>\nOption D is correct.<\/p>\n<p><strong>2)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p>Perimeter of square field = 784 ft.<\/p>\n<p>Radius of circular field = Side of square field = $\\frac{784}{4}$ = 196 ft.<\/p>\n<p>Area of circular field = $\\pi r^2 = \\frac{22}{7}\\times196\\times196 = 120736$ sq ft<\/p>\n<p><strong>3)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>Least common multipke of 36,27 and 9 is 108.<br \/>\nHence Harish, Dilip and Asha will meet at 108 second i.e 1 minute and 48 seconds.<br \/>\nTherefore, the correct option is option A.<br \/>\n<strong>4)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p>Length of the train = 280m<\/p>\n<p>Length of the platform = (280*3)m<\/p>\n<p>Since the train passes the platform completely<\/p>\n<p>Total disttance travelled by train = 280+(3*280) = 4*280<\/p>\n<p>Time take = 6min 40s = 360+40 = 400s<\/p>\n<p>Speed = 4*280\/400 = 2.8 m\/s<\/p>\n<p><strong>5)\u00a0Answer\u00a0(E)<\/strong><\/p>\n<p>We know the formula of speed which is Speed = Distance\/Time<\/p>\n<p>Speed of a truck = 640\/10 = 64<\/p>\n<p>Speed of a car = 640\/8 = 80<\/p>\n<p>Ratio of speed of truck and car = 64:80 = 4:5<\/p>\n<p><strong>6)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p>Let x be the speed of bike and y be the speed of bus.<\/p>\n<p>y=8x<\/p>\n<p>Also, bike covers 186 kilometers of distance in 3 hours<\/p>\n<p>Therefore, x = 186\/3 = 62km\/hr<\/p>\n<p>Now, y = 8x = 496km\/hr<\/p>\n<p>Distance covered by bus in 10 hours with this speed = 4960 km\/hr<\/p>\n<p><strong>7)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p>Relative speed of the boat with respect to water will be = 20 &#8211; 15 = 5 km\/hour<br \/>\nHence, time taken to cross the river will be = $ \\frac{10}{5} $ = 2 hour<\/p>\n<p><strong>8)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p>Relative speed of a train with respect to another train = 70 km\/h<br \/>\nDistance to be covered = 140 km<br \/>\nHence, time taken to meet with each other will be equal to = $\\frac{140}{70}$ = 2 hr<\/p>\n<p><strong>9)\u00a0Answer\u00a0(E)<\/strong><\/p>\n<p>Total distance to be covered to cross them = 4000+200+300 = 4500 meter or 4.5 km<br \/>\nRelative speed of a train with respect to other = 30 km\/h<br \/>\nTime taken to cross each other = $\\frac{4.5}{3} = 1.5$ h<\/p>\n<p><strong>10)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p>Speed upstream = 12 km\/r<br \/>\nSpeed downstream = 8 km\/hr<br \/>\nSo, the time taken is $\\frac{20}{12} + \\frac{20}{8} = \\frac{5}{3} + \\frac{5}{2} = \\frac{25}{6}$ or $4\\frac{1}{6}$ hours.<br \/>\nThis is same as 4 hours 10 minutes.<\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p><strong>11)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p>Let the original speed be s and the original time be t.<br \/>\nSo, Distance = st<br \/>\nNow, s&#8217; = 1.2s<br \/>\n=&gt; 1.2s X t&#8217; = st<br \/>\n=&gt; t&#8217; = 5t\/6<br \/>\nSo, the time got reduced by t\/6 which is 100\/6% of t.<br \/>\n100\/6% = 16.66%<\/p>\n<p><strong>12)\u00a0Answer\u00a0(E)<\/strong><\/p>\n<p>Total distance to be covered to cross them = 4000+200+300 = 4500 meter or 4.5 km<br \/>\nRelative speed of a train with respect to other = 30 km\/h<br \/>\nTime taken to cross each other = $\\frac{4.5}{30} = .15$ h<\/p>\n<p><strong>13)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p>Speed upstream = 12 km\/r<br \/>\nSpeed downstream = 8 km\/hr<br \/>\nSo, the time taken is $\\frac{20}{12} + \\frac{20}{8} = \\frac{5}{3} + \\frac{5}{2} = \\frac{25}{6}$ or $4\\frac{1}{6}$ hours.<br \/>\nThis is same as 4 hours 10 minutes.<\/p>\n<p><strong>14)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p>Let the work completed by A in one day = $\\frac{1}{A}$<br \/>\nLet the work completed by B in one day = $\\frac{1}{B}$<br \/>\nLet the work completed by C in one day = $\\frac{1}{C}$<br \/>\n$\\frac{1}{A}$ + $\\frac{1}{B}$ = $\\frac{1}{20}$<br \/>\n$\\frac{1}{B}$ + $\\frac{1}{C}$ = $\\frac{1}{30}$<br \/>\n$\\frac{1}{A}$ + $\\frac{1}{C}$ = $\\frac{1}{40}$<\/p>\n<p>Solving the above equations we get $\\frac{1}{A}$ = $\\frac{1}{24}$<br \/>\nA = 24<br \/>\nSimilarly B = 120 and C = 60<\/p>\n<p><strong>15)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p>Work done by the leak in 1 hour = (1\/2-3\/7)=1\/14<br \/>\nLeak will empty the tank in 14 hrs<\/p>\n<p><strong>16)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p>Part filled by (A + B) in 1 hour = (1\/5+1\/20)=1\/4<\/p>\n<p>So, A and B together can fill the tank in 4 hours.<\/p>\n<p>Time taken to fill the tank with the leak = 4 hours + 30 mins = 4.5 hours.<\/p>\n<p>Hence, rate of work done with leak = 1\/4.5 = 2\/9<\/p>\n<p>Therefore, Work done by the leak in 1 hour =1\/4-2\/9=1\/36<\/p>\n<p>Leak will empty the tank in 36 hrs<\/p>\n<p><strong>17)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>Let Peter\u2019s rate of work be 10 units per day. So, Paul\u2019s rate of work = 140\/100 * 10 = 14 units per day<br \/>\nPeter takes 28 days to complete the project. So, total work involved in the project = 28*10 units = 280 units<br \/>\nWork done by both of them working together = 10 + 14 = 24 units per day<br \/>\nSo, time taken to complete the project = 280\/24 days = 35\/3 days = 11 (2\/3) days<\/p>\n<p><strong>18)\u00a0Answer\u00a0(E)<\/strong><\/p>\n<p>Amount of work involved for one tank = 4*10*1<br \/>\nAmount of work involved for 2 tanks = 4*10*2<br \/>\nSo, time required = 4*10*2\/6 = 13.33 hours<\/p>\n<p><strong>19)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p>The total amount of work required = 8*10*16<br \/>\nWork completed in 5 days = 8*10*5<br \/>\nWork left = 8*10*11<br \/>\nNumber of days remaining = 11<br \/>\nNumber of students = 4<br \/>\nSo, number of hours to be put in per day = 8*10*11\/11*4 = 20 hours<br \/>\nSo, number of additional hours that each of the remaining students should put in to complete the work on time = 20 &#8211; 10 = 10 hours.<\/p>\n<p><strong>20)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>If x is the work involved, Azhar\u2019s rate of work is x\/6 and Basha\u2019s is x\/3 and Carina\u2019s is x\/2. Together it is x\/6 + x\/3 + x\/2 = x. Time taken is x divided by x = 1 minute.<\/p>\n<p><strong>21)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p>If the work involved in the project is x, the rate of all of them together is x\/1. Rate of work of A is x\/6 and that of C is x\/2. So, rate of B alone is $\\frac {x}{1} &#8211; (\\frac{x}{6}+ \\frac{x}{2})=\\frac{x}{3}$.\u00a0Time taken by B working alone is x divided by x\/3 = 3 hours.<\/p>\n<p><strong>22)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>Let the distance from his house to work be D.<br \/>\nSo, time taken by him reach office from house is $\\frac{D}{40}$<br \/>\nSimilarly time taken by him to reach home from office is $\\frac{D}{60}$<br \/>\nTotal time taken = $\\frac{D}{40} + \\frac{D}{60} = \\frac{3D+2D}{120} = \\frac{D}{24}$<br \/>\nSo, the average speed during the entire journey is $\\frac{2D}{\\frac{D}{24}}=48$ kmph<\/p>\n<p><strong>23)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p>Let the total work done to empty or fill the tank be 24 units.<br \/>\nWork done by A in 1 hour = 24\/6 = 4 units.<br \/>\nWork done by B in 1 hour = 24\/4 = 6 units.<br \/>\nwork done by the leak at bottom per hour = 24\/12 = 2 units.<br \/>\nThus, the total work done in 1 hour = 6 + 4 &#8211; 2 = 8<br \/>\n\u2234 the time taken to fill the entire tank = 24\/8 = 3 hours.<\/p>\n<p><strong>24)\u00a0Answer\u00a0(E)<\/strong><\/p>\n<p>Let the efficiency of a boy be \u2018x\u2019 and the efficiency of a girl be \u2018y\u2019<br \/>\n7x = 11y =&gt; x = (11\/7)y<br \/>\nTotal work to be done = 7x * 15 = 11y * 15 = 165y<br \/>\nEfficiency of one girl and one boy = x + y = (18\/7)y<br \/>\nSo, time required = 165\/(18\/7) = 165*7\/18 = 55*7\/6 = 385\/6 = $64 \\frac{1}{6}$ days<\/p>\n<p><strong>25)\u00a0Answer\u00a0(E)<\/strong><\/p>\n<p>Since their efficiencies are in the ratio 4 : 3 : 2, Aravind would get 3\/9 or 1\/3 rd of the total wage obtained for the project.<br \/>\nThus, the total amount obtained by Aravind = 1\/3 of 30000 = 10,000<br \/>\nHence, the wage obtained per day = 10,000\/10 = Rs 1000<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/insurance-previous-papers\" target=\"_blank\" class=\"btn btn-primary \">LIC AAO Previous Papers (download PDF)<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/www.youtube.com\/channel\/UCMDJPaiDdRPv2mrEJoLfklA?sub_confirmation=1\" target=\"_blank\" class=\"btn btn-danger \">Free GK Videos Youtube Channel<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Time and Work Questions for LIC AAO PDF: Download Important Time &amp; Work questions for LIC AAO exam. Top 25 Quant Time &amp; Work questions with answers based on previous year asked questions. Take a free mock test for LIC AAO Download LIC AAO Previous Papers PDF Question 1:\u00a0Riya Manasvi and Pintu start running around [&hellip;]<\/p>\n","protected":false},"author":42,"featured_media":26925,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[169,125,1665],"tags":[282,1667,1791,1793,1795],"class_list":{"0":"post-26922","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-downloads","8":"category-featured","9":"category-lic","10":"tag-lic","11":"tag-lic-aao","12":"tag-lic-aao-2019","13":"tag-lic-aao-free-mock","14":"tag-lic-aao-previous-papers"},"better_featured_image":{"id":26925,"alt_text":"Time and Work Questions for LIC AAO PDF","caption":"Time and Work Questions for LIC AAO PDF","description":"Time and Work Questions for LIC AAO 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