10 RRB JE Mocks – Just Rs. 117<\/a><\/p>\n RRB JE Previous Papers [Download PDF]<\/a><\/p>\n Question 1:\u00a0<\/b>Find the speed of the flight if it takes 6 hrs 30 mins to travel 2,210 km ?<\/p>\n a)\u00a0280 kmph<\/p>\n b)\u00a0300 kmph<\/p>\n c)\u00a0320 kmph<\/p>\n d)\u00a0340 kmph<\/p>\n Question 2:\u00a0<\/b>A car travels x km at 60 kmph and then 2x km at 40 kmph. Find its average speed for entire distance ?<\/p>\n a)\u00a045 kmph<\/p>\n b)\u00a048 kmph<\/p>\n c)\u00a056 kmph<\/p>\n d)\u00a060 kmph<\/p>\n Question 3:\u00a0<\/b>A train crosses a pole in 15 seconds. The time taken by the train to cross a bridge whose length is twice its (length of the train) length is ?<\/p>\n a)\u00a024 sec<\/p>\n b)\u00a045 sec<\/p>\n c)\u00a035 sec<\/p>\n d)\u00a013 sec<\/p>\n FREE RRB JE YOUTUBE VIDEOS<\/a><\/p>\n RRB NTPC Free Mock Test<\/a><\/p>\n Question 4:\u00a0<\/b>If a man runs at 9 m\/s what distance can he cover in 2hrs 30mins ?<\/p>\n a)\u00a018 km<\/p>\n b)\u00a081 km<\/p>\n c)\u00a027 km<\/p>\n d)\u00a096 km<\/p>\n Question 5:\u00a0<\/b>Which of the following is the least ?<\/p>\n a)\u00a025 m\/s<\/p>\n b)\u00a01560 m\/min<\/p>\n c)\u00a086.4 kmph<\/p>\n d)\u00a01.5 km\/min<\/p>\n Question 6:\u00a0<\/b>Find the length of a platform crossed by a train of length 600meter in 2 minutes, which is travelling with 54kmph?<\/p>\n a)\u00a01500 m<\/p>\n b)\u00a01400 m<\/p>\n c)\u00a01300 m<\/p>\n d)\u00a01200 m<\/p>\n Question 7:\u00a0<\/b>Ravi started his journey from his house to office with 40 kmph speed, it took 2hrs for him to reach his office. Then find the time at which he reached his home if he travels at a speed of 30 kmph ?<\/p>\n a)\u00a0$2\\frac{3}{2}hrs$<\/p>\n b)\u00a0$2\\frac{2}{3}hrs$<\/p>\n c)\u00a0$3\\frac{2}{3}hrs$<\/p>\n d)\u00a0$3\\frac{3}{2}hrs$<\/p>\n RRB NTPC Previous Papers Download PDF<\/a><\/p>\n Question 8:\u00a0<\/b>Two trains with speeds 12 m\/s and 18 m\/s are travelling in opposite directions. If they meet after 72 seconds, find the initial distance between them?<\/p>\n a)\u00a02.16 km<\/p>\n b)\u00a01.18 km<\/p>\n c)\u00a02 km<\/p>\n d)\u00a0can not be determined<\/p>\n Question 9:\u00a0<\/b>Find the length of the train travelling with 90 kmph if it crossed a 1200m platform in 1 min 20 seconds ?<\/p>\n a)\u00a0800 m<\/p>\n b)\u00a0850 m<\/p>\n c)\u00a0900 km<\/p>\n d)\u00a0950 km<\/p>\n Question 10:\u00a0<\/b>Speed of a boat during upstream is 3kmph and during downstream, it travelled 49km in 7hrs.Find the speed of the boat in still water ?<\/p>\n a)\u00a02kmph<\/p>\n b)\u00a03kmph<\/p>\n c)\u00a05kmph<\/p>\n d)\u00a07kmph<\/p>\n Question 11:\u00a0<\/b>P and Q together can complete a piece of work in 8 days, Q alone can complete the same work in 12 days.In how many days can P alone complete the same work?<\/p>\n a)\u00a024<\/p>\n b)\u00a012<\/p>\n c)\u00a018<\/p>\n d)\u00a036<\/p>\n Question 12:\u00a0<\/b>2 men and 3 women can complete a piece of work in 12 days.In how many days can 9 women and 6 men can complete the same work ?<\/p>\n a)\u00a09<\/p>\n b)\u00a06<\/p>\n c)\u00a04<\/p>\n d)\u00a03<\/p>\n Question 13:\u00a0<\/b>L and M can do a piece of work in 5 days, while M and N can do the same in 10 days, and N and L can do it in 6 days. Find the number of day(s) it takes to complete the work if all of them work together.<\/p>\n a)\u00a0$\\frac{29}{7}$<\/p>\n b)\u00a0$4$<\/p>\n c)\u00a0$4\\frac{2}{7}$<\/p>\n d)\u00a04\/7<\/p>\n 18000+ Questions – Free SSC Study Material<\/a><\/p>\n Question 14:\u00a0<\/b>A man started his journey at 10 am in the morning and finished it at 9 pm in the evening. If he traveled a total of 44 km, what is his average speed?<\/p>\n a)\u00a04kmph<\/p>\n b)\u00a04.5kmph<\/p>\n c)\u00a05kmph<\/p>\n d)\u00a05.5kmph<\/p>\n Question 15:\u00a0<\/b>A man is running on a platform at 3 m\/s. A train moving in the opposite direction at 7 m\/s crosses him in 1 minute. What is the length of the train?<\/p>\n a)\u00a0400m<\/p>\n b)\u00a0500m<\/p>\n c)\u00a0600m<\/p>\n d)\u00a0700m<\/p>\n RRB NTPC Free Mock Test<\/a><\/p>\n RRB JE Free Mock Test<\/a><\/p>\n Question 16:\u00a0<\/b>Train A of length 300m and Train B of length 600m are travelling with 35kmph and 55kmph respectively. Find the time taken by them to cross each other if they are moving in opposite direction ?<\/p>\n a)\u00a032 seconds<\/p>\n b)\u00a034 seconds<\/p>\n c)\u00a036 seconds<\/p>\n d)\u00a038 seconds<\/p>\n Question 17:\u00a0<\/b>If a car is travelling at 40kmph, then what is the distance covered by it in 2hrs 45mins ?<\/p>\n a)\u00a0110km<\/p>\n b)\u00a0100km<\/p>\n c)\u00a090km<\/p>\n d)\u00a080km<\/p>\n Question 18:\u00a0<\/b>10 men can complete a job in 12 days. 20 women can complete the same job in 8 days. If a man and a woman work together to complete 175% of the total work, in how many days will the job get completed?<\/p>\n a)\u00a0100 days<\/p>\n b)\u00a0120 days<\/p>\n c)\u00a0140 days<\/p>\n d)\u00a0160 days<\/p>\n Question 19:\u00a0<\/b>Harsh travels from his home to office at a speed of 12 km\/hr and he returns at a speed of 9 km\/hr. If his total travel time(including both forward and return journey) is 2 hours and 20 minutes, then how far from his home is office?<\/p>\n a)\u00a015 km<\/p>\n b)\u00a016 km<\/p>\n c)\u00a010 km<\/p>\n d)\u00a012 km<\/p>\n Question 20:\u00a0<\/b>If a person travels slower by 8 Km\/hr from his original speed, he reaches late to the destination by 9 hours 45 minutes. If the person travels faster by 6 Km\/hr from his original speed, he reaches early by 3 hours 54 minutes. What is the distance between the starting point and destination?<\/p>\n a)\u00a0468 km<\/p>\n b)\u00a0502 km<\/p>\n c)\u00a0426 km<\/p>\n d)\u00a0440 km<\/p>\n Daily Free Online Tests for RRB Exams<\/a><\/p>\n Download RRB GK Material PDF<\/a><\/p>\n Question 21:\u00a0<\/b>Ajeet can do three fourth of a work in 54 days while Sanjay can do two third of the work in 60 days. Both of them start the work but Sanjay leaves after 25 days. How many more days does Ajeet take to complete the remaining work alone?<\/p>\n a)\u00a030 days<\/p>\n b)\u00a025 days<\/p>\n c)\u00a027 days<\/p>\n d)\u00a035 days<\/p>\n Question 22:\u00a0<\/b>A car leaves place A at 10 am and travels at 40 km\/hr. A bus leaves place A at 12 am and travels at 60 km\/hr along the same route as A. A biker leaves A at a certain time and overtakes both the car and the bus at the same time. If the biker travels at 120 km\/hr then find the time at which biker left A.<\/p>\n a)\u00a01 pm<\/p>\n b)\u00a02 pm<\/p>\n c)\u00a02:30 pm<\/p>\n d)\u00a01:45 pm<\/p>\n Question 23:\u00a0<\/b>A building having 8 floors is constructed by 210 workers in 100 days. Due to some error, only 2 floors were constructed in 30 days. How many more workers will be required to finish the building on time?<\/p>\n a)\u00a024<\/p>\n b)\u00a015<\/p>\n c)\u00a032<\/p>\n d)\u00a020<\/p>\n Question 24:\u00a0<\/b>A 400 m long train can cross a platform in 20 seconds. The train can cross another train of length 500 m running in opposite direction in 15 seconds. If the speed of the second train is 54 km\/hr then find the length of the platform.<\/p>\n a)\u00a0700 m<\/p>\n b)\u00a0400 m<\/p>\n c)\u00a0500 m<\/p>\n d)\u00a0800 m<\/p>\n Question 25:\u00a0<\/b>32 men can finish a project in 360 days. In how many days can 30 men finish the same project?<\/p>\n a)\u00a0400 days<\/p>\n b)\u00a0420 days<\/p>\n c)\u00a0384 days<\/p>\n d)\u00a0396 days<\/p>\n General Science Notes for RRB Exams (PDF)<\/a><\/p>\n Answers & Solutions:<\/strong><\/span><\/p>\n 1)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 6 hrs 30 mins = 6.5 hrs<\/p>\n Speed = $\\frac{distance}{time} = \\frac{2210}{6.5} = 340 kmph$<\/p>\n SO the answer is option D.<\/p>\n 2)\u00a0Answer\u00a0(A)<\/strong><\/p>\n Time in case 1 = x\/60 hrs<\/p>\n Time in case 2 = 2x\/40 = x\/20 hrs<\/p>\n Total time = x\/60 + x\/20 = x\/15 hrs<\/p>\n Total distance = x+2x = 3x km<\/p>\n Average speed = total distance\/ total time = (3x)\/(x\/15) = 45 kmph<\/p>\n So the answer is option A.<\/p>\n 3)\u00a0Answer\u00a0(B)<\/strong><\/p>\n Let l be the length of the train, x be the speed of the train<\/p>\n l\/x = 15<\/p>\n Length of the bridge = 2l<\/p>\n Total time taken to cross the bridge = (l+2l)\/x = 3l\/x = 3(15) = 45 sec<\/p>\n So the answer is option B.<\/p>\n 4)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 9 m\/s = 9*(18\/5) = 162\/5 kmph<\/p>\n 2hrs 30 mins = 2.5 hrs<\/p>\n Distance = speed*time = (162\/5)*(2.5) = 81 km<\/p>\n So the answer is option B.<\/p>\n 5)\u00a0Answer\u00a0(C)<\/strong><\/p>\n option A = 25 m\/s<\/p>\n option B = 1560 m\/min = 1560\/60 m\/s = 26 m\/s<\/p>\n option C = 86.4 kmph = 86.4*(5\/18) = 24 m\/s<\/p>\n option D = 1.5 km\/min = 1.5*(1000\/60) = 25 m\/s<\/p>\n So the answer is option C.<\/p>\n 6)\u00a0Answer\u00a0(D)<\/strong><\/p>\n Speed = 54kmph = 54*(5\/18) = 15 m\/s<\/p>\n Let x be the length of the platform, then<\/p>\n Distance = Speed*time<\/p>\n (x+600) = 15*120<\/p>\n x+600 = 1800<\/p>\n x = 1200<\/p>\n So the answer is option D.<\/p>\n 7)\u00a0Answer\u00a0(B)<\/strong><\/p>\n Distance b\/w his house & office = Speed*time = 40*2 = 80 km<\/p>\n In second case, his speed = 30 kmph<\/p>\n Time taken to reach his home = $Distance\/speed = 80\/30 = 8\/3 = 2\\frac{2}{3}hrs$<\/p>\n So the answer is option B.<\/p>\n 8)\u00a0Answer\u00a0(A)<\/strong><\/p>\n Relative speed = 12+18 = 30m\/s<\/p>\n Distance b\/w them = (speed)*(time) = (30)*(72) = 2160m = 2.16 km<\/p>\n So the answer is option A.<\/p>\n 9)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 90kmph = 90*(5\/18) m\/s = 25 m\/s<\/p>\n 1 min 20 seconds = 80 seconds<\/p>\n Let x be the length of the train, then<\/p>\n (x+1200) = (80)*(25)<\/p>\n x+1200 = 2000<\/p>\n x = 800<\/p>\n So the answer is option A.<\/p>\n 10)\u00a0Answer\u00a0(C)<\/strong><\/p>\n Let x, y are the speeds of boat and river.<\/p>\n Speed during upstream = x-y = 3 ——-(1)<\/p>\n speed during downstream = x+y = 49\/7 = 7——-(2)<\/p>\n On solving (1) & (2)<\/p>\n x = 5 kmph y = 2 kmph<\/p>\n So the answer is option C.<\/p>\n 11)\u00a0Answer\u00a0(A)<\/strong><\/p>\n Let total work = LCM of 8 and 12 = 24 units<\/p>\n Efficiency of P&Q; = 24\/8 = 3<\/p>\n Efficiency of Q = 24\/12 = 2<\/p>\n Then efficiency of P = 3-2 = 1<\/p>\n P alone can complete 24 units of work in 24\/1 = 24 days<\/p>\n So the answer is option A.<\/p>\n 12)\u00a0Answer\u00a0(C)<\/strong><\/p>\n No.of people is inversely proportional to no.of working days<\/p>\n $2M+3W = \\frac{1}{12}$<\/p>\n multiply with 3,<\/p>\n $3(2M+3W) = 3(\\frac{1}{12})$<\/p>\n $6M+9W = \\frac{1}{4}$<\/p>\n So the answer is option C.<\/p>\n 13)\u00a0Answer\u00a0(C)<\/strong><\/p>\n Let total work = LCM of 5, 10 & 6 = 30 units<\/p>\n Efficiency of L and M = 30\/5 = 6<\/p>\n Efficiency of M and N = 30\/10 = 3<\/p>\n Efficiency of L and M = 30\/6= 5<\/p>\n Efficiency of L, M & N = (6 + 5 + 3)\/(2) = 7<\/p>\n L, M & N together can complete the work in $\\frac{30}{7} = 4\\frac{2}{7}$ days<\/p>\n So the answer is option C.<\/p>\n 14)\u00a0Answer\u00a0(A)<\/strong><\/p>\n Time from 10am to 9pm = 11 hrs<\/p>\n $Speed = \\frac{distance}{time} = \\frac{44}{11} = 4kmph$<\/p>\n So the answer is option A.<\/p>\n 15)\u00a0Answer\u00a0(C)<\/strong><\/p>\n Length of train = (Relative speed of train & person)*(time) = (7+3)*(60) = 600m<\/p>\n So the answer is option C.<\/p>\n 16)\u00a0Answer\u00a0(C)<\/strong><\/p>\n relative speed = 35+55 = 90 kmph = 90*(5\/18) = 25 m\/s<\/p>\n Time taken to cross each other = $\\frac{300+600}{25} = 36 seconds$<\/p>\n So the answer is option C.<\/p>\n 17)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 2hrs 45mins = $2\\frac{3}{4}$hrs = $\\frac{11}{4}$hrs<\/p>\n Distance = speed*time = (40)*(11\/4) = 110km<\/p>\n So the answer is option A.<\/p>\n 18)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 10 men can complete the work in 12 days. Therefore, the total work is equal to 120 man days. 120m = 160w If a man and woman work together, then 1.75m units of work will be completed in a day. 19)\u00a0Answer\u00a0(D)<\/strong><\/p>\n Let us assume that the required distance is \u2018d\u2019. 20)\u00a0Answer\u00a0(A)<\/strong><\/p>\n Let the distance be \u2018x\u2019 km, time taken be \u2018t\u2019 hours and the speed be \u2018S\u2019 km\/hr such that $S = \\frac{x}{t}$ 21)\u00a0Answer\u00a0(C)<\/strong><\/p>\n We have been given that Ajeet can do three-fourth of the work in 54 days. Hence, time taken by Ajeet to complete the entire work = 54*4\/3 = 72 days. 22)\u00a0Answer\u00a0(B)<\/strong><\/p>\n The bus starts 2 hours after the car. Hence, the car would have covered 80 km in the mean time. Now relative speed of the car and the bus is 20 km\/hr. Hence, bus will take 4 hours to reach the same point as the car. Hence, the distance travelled by the bus will be 60*4 = 240 km. 23)\u00a0Answer\u00a0(B)<\/strong><\/p>\n In 30 days 30% of work should\u2019ve been completed, but only 2\/8 = 25% was completed. 24)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 54 km\/hr = 15 m\/s 25)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 32 men take 360 days.![\"RRB](\"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2019\/03\/RRB-JE-Mock-Test.png\")
<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n
\nThe same work can be completed by 20 women in 8 days. Therefore, the total work is equal to 120 women days.<\/p>\n
\n=> m = 4w\/3.<\/p>\n
\nTotal work = 120m*1.75
\nTime taken = 120*1.75\/1.75 = 120 days. Therefore, option B is the right answer.<\/p>\n
\nSo time taken will be
\nd\/12 + d\/9 = 7\/3
\n=> 7d\/36 = 7\/3
\n=> d = 12 km
\nHence, option D is the correct answer.<\/p>\n
\n9 hours 45 minutes is 9.75 hours and 3 hours 54 minutes is 3.9 hours
\nWe have, $\\frac{x}{t + 9.75} = S – 8$
\n$\\frac{x}{t + 9.75} = \\frac{x}{t} – 8$
\n$\\frac{9.75x}{t*(t + 9.75)} = 8$
\nAlso, $\\frac{x}{t – 3.9} = S + 6$
\n$\\frac{x}{t – 3.9} = \\frac{x}{t} + 6$
\n$\\frac{3.9x}{t*(t – 3.9)} = 6$
\nSolving the two equation we get t = 19.5 hours and distance, x = 468 km
\nHence, option A is the right choice.<\/p>\n
\nSimilarly, time taken by Sanjay to complete the entire work = 60*3\/2 = 90 days.
\nLet the total work be 360 units. So Ajeet does 5 units in a day while Sanjay does 4 units in a day.
\nTogether, they will be able to do 9 units in a day. In 25 days, they will complete 25*9 = 225 units of work.
\nRemaining work = 135 units.
\nHence, time taken by Sanjay will be 135\/5 = 27 days<\/p>\n
\nThe biker will need 240\/120 = 2 hours.
\nThus, the biker must have started at 2 pm.<\/p>\n
\nSo in the remaining 70 days, 75% of the work needs to be completed.
\nLet us consider that \u2018x\u2019 workers are required to complete remaining 6 floors in 70 days.
\nWe have, 210 * 75 * 6 = 6 * 70 * x
\nx = 225
\nSo 225 – 210 = 15
\nHence, option B is the right choice.<\/p>\n
\nLet the speed of the first train be \u2018x\u2019 m\/s. Hence, we have
\n900\/(15 + x) = 15
\n=> 900 = 225 + 15x
\n=> 15x = 675
\n=> x = 45
\nThus, speed of the first train is 45 m\/s.
\nHence, in 20 seconds the train will cover 900 m. Thus, the length of the platform will be 900 – 400 = 500 m
\nHence, option C is correct<\/p>\n
\nSo, 1 man takes 32 * 360 days to finish the project.
\n30 men take 32 * 360 \/ 30 days = 384 days<\/p>\n