{"id":31802,"date":"2019-07-17T18:51:11","date_gmt":"2019-07-17T13:21:11","guid":{"rendered":"https:\/\/cracku.in\/blog\/?p=31802"},"modified":"2019-07-17T18:51:11","modified_gmt":"2019-07-17T13:21:11","slug":"boats-and-streams-questions-for-rrb-group-d-pdf","status":"publish","type":"post","link":"https:\/\/cracku.in\/blog\/boats-and-streams-questions-for-rrb-group-d-pdf\/","title":{"rendered":"Boats and Streams Questions for RRB Group-D PDF"},"content":{"rendered":"

Boats and Streams Questions for RRB Group-D PDF<\/strong><\/span><\/h2>\n

Download Top-10 RRB Group-D Boats and Streams Questions PDF.\u00a0RRB GROUP-D Boats and Streams questions based on asked questions in previous exam papers very important for the Railway Group-D exam.<\/p>\n

Download Boats & Streams Questions for RRB Group-D PDF<\/a><\/p>\n\n

Download RRB Group-D Previous Papers PDF<\/a><\/p>\n

Take a RRB Group-D free mock test<\/a><\/p>\n

Question 1:\u00a0<\/b>A boat can cover a distance of 7.2 km downstream and 3.2 km upstream in 2
\nhours.It can also cover 1.5 km downstream and 0.6 km upstream in 24 minutes. Whatis the
\nspeed of the boat when going downstream (in km\/h)?
\nLATEX<\/p>\n

a)\u00a0Latex 1<\/p>\n

b)\u00a0Latex 2<\/p>\n

c)\u00a0Latex 3<\/p>\n

d)\u00a0Latex 4<\/p>\n

Question 2:\u00a0<\/b>A boat travels 30 km upstream in 10 hours and travels 52 km downstream in 4 hours. What is the time taken to cover 121 km downstream if the speeds of both stream and boat are decreased by 1 km\/hr ?<\/p>\n

a)\u00a012 hrs<\/p>\n

b)\u00a011 hrs<\/p>\n

c)\u00a010 hrs<\/p>\n

d)\u00a09 hrs<\/p>\n

Question 3:\u00a0<\/b>A boat travels 120 km upstream in 6 hours and travels 90 km downstream with double the speed of upstream. What is the time taken to cover the 90km downstream ?<\/p>\n

a)\u00a02 hr 10 min<\/p>\n

b)\u00a02 hr 15 min<\/p>\n

c)\u00a02 hr 20 min<\/p>\n

d)\u00a02 hr 30 min<\/p>\n

Take a free mock test for RRB Group-D<\/a><\/p>\n

770 Mocks (cracku Pass) Just Rs.199<\/a><\/p>\n\n

Question 4:\u00a0<\/b>A boat at anchor is racked by waves whose consecutive crests are 125 m apart. The velocity of the wave of the moving crests is $ 25ms^{-1} $, What is the frequency of the rocking of the boat?<\/p>\n

a)\u00a00.20 (Hz)<\/p>\n

b)\u00a0625 (Hz)<\/p>\n

c)\u00a0250 (Hz)<\/p>\n

d)\u00a0100 (Hz)<\/p>\n

Question 5:\u00a0<\/b>A man can row a boat at 10 kmph in still water. If the speed of the stream is 6 kmph, the time taken to row a distance of 80 km down the stream is :<\/p>\n

a)\u00a08 hours<\/p>\n

b)\u00a05 hours<\/p>\n

c)\u00a010 hours<\/p>\n

d)\u00a020 hours<\/p>\n

Question 6:\u00a0<\/b>Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. man rows to a place at a distance of 10.5 km and comes back to the starting point. The total time taken by him is :<\/p>\n

a)\u00a01.6 hours<\/p>\n

b)\u00a01.8 hours<\/p>\n

c)\u00a02.0 hours<\/p>\n

d)\u00a02.4 hours<\/p>\n

d)\u00a0Rs. 4500<\/p>\n

RRB Group D previous year papers<\/a><\/p>\n

Daily Free RRB Online Test<\/a><\/p>\n

Instructions<\/b><\/p>\n

Question 7:\u00a0<\/b>A boat takes 4 hours to travel same distance \u2018x\u2019 upstream and downstream.If the speed of the boat is 4 km\/hr and stream is 2 km\/hr then find the value of x ?<\/p>\n

a)\u00a06 km<\/p>\n

b)\u00a08 km<\/p>\n

c)\u00a04 km<\/p>\n

d)\u00a010 km<\/p>\n

Instructions<\/b><\/p>\n

Question 8:\u00a0<\/b>A boat takes 10 hours to travel same distance \u2018x\u2019 upstream and downstream.If the speed of the boat is 10 km\/hr and stream is 6 km\/hr then find the value of x ?<\/p>\n

a)\u00a024 km<\/p>\n

b)\u00a028 km<\/p>\n

c)\u00a030 km<\/p>\n

d)\u00a032 km<\/p>\n

RRB Group-D Important Questions (download PDF)<\/a><\/p>\n\n

Question 9:\u00a0<\/b>A boat goes 2 km upstream and 3 km downstream in 45 minutes while it goes 3 km upstream and 9 km downstream in 90 minutes. Whatis the speed (in km\/hr) of boat when going down stream?<\/p>\n

a)\u00a09<\/p>\n

b)\u00a010.5<\/p>\n

c)\u00a012<\/p>\n

d)\u00a09.5<\/p>\n

Question 10:\u00a0<\/b>The speed of a boat in still water is 9 km\/hr and the speed of stream is 3 km\/hr. The difference between the upstream speed and downstream speed will be:<\/p>\n

a)\u00a06 km\/hr<\/p>\n

b)\u00a05 km\/hr<\/p>\n

c)\u00a03.5 km\/hr<\/p>\n

d)\u00a07.5 km\/hr<\/p>\n

General Science Notes for RRB Exams (PDF)<\/a><\/p>\n\n

Answers & Solutions:<\/strong><\/span><\/p>\n

1)\u00a0Answer\u00a0(B)<\/strong><\/p>\n

2)\u00a0Answer\u00a0(B)<\/strong><\/p>\n

let the speed of the boat be \u2018b\u2019 and stream be \u2018s\u2019.
\n30\/(b-s) =10
\nb-s=3
\n52\/(b+s) =4
\nb+s=13
\nb-s=3
\n2b=16
\nb=8 km\/hr
\ns=5 km\/hr
\nEach is decreased by 1 km\/hr so
\nb=7 km\/hr
\ns=4 km\/hr
\nTime taken for 121 km downstream=121\/11
\n=11 hrs<\/p>\n

3)\u00a0Answer\u00a0(B)<\/strong><\/p>\n

let the speed of the boat be \u2018b\u2019 and stream be \u2018s\u2019.
\n120\/(b-s) =6
\nb-s=20
\nGiven b+s=2(b-s)
\nb+s=2b-2s
\n3s=b
\n3s-s=20
\n2s=20
\ns=10
\nb=30
\nTime taken for 90 km downstream=90\/40
\n=2.25 hrs<\/p>\n

4)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

5)\u00a0Answer\u00a0(B)<\/strong><\/p>\n

6)\u00a0Answer\u00a0(D)<\/strong><\/p>\n

7)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

Upstream speed =4-2=2 km\/hr
\nDownstream speed=4+2=6 km\/hr
\nTherefore we have $\\frac{x}{6}+\\frac{x}{2}$=6
\n4x\/6 =4
\nx=6 km<\/p>\n

8)\u00a0Answer\u00a0(D)<\/strong><\/p>\n

Upstream speed =10-6=4 km\/hr
\nDownstream speed=10+6=16 km\/hr
\nTherefore we have $\\frac{x}{16}+\\frac{x}{4}$=10
\n5x\/16 =10
\nx=32<\/p>\n

9)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

10)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

Speed in upstream=9-3 =6 km\/hr
\nSpeed in downstream=9+3=12 km\/hr
\nDifference=6 km\/hr<\/p>\n\n

DOWNLOAD APP FOR RRB FREE MOCKS<\/a><\/p>\n

We hope this Boats and Streams Questions\u00a0 PDF for RRB Group-D Exam will be highly useful for your preparation.<\/p>\n","protected":false},"excerpt":{"rendered":"

Boats and Streams Questions for RRB Group-D PDF Download Top-10 RRB Group-D Boats and Streams Questions PDF.\u00a0RRB GROUP-D Boats and Streams questions based on asked questions in previous exam papers very important for the Railway Group-D exam. Download RRB Group-D Previous Papers PDF Take a RRB Group-D free mock test Question 1:\u00a0A boat can cover […]<\/p>\n","protected":false},"author":41,"featured_media":31811,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[169,125,31,1679,1603,1601],"tags":[491,1637,492,1647],"class_list":{"0":"post-31802","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-downloads","8":"category-featured","9":"category-railways","10":"category-rrb-group-d","11":"category-rrb-ntpc","12":"category-rrb-ntpc-je","13":"tag-rrb","14":"tag-rrb-exam","15":"tag-rrb-group-d","16":"tag-rrb-mocks"},"better_featured_image":{"id":31811,"alt_text":"Boats and Streams Questions for RRB Group-D PDF","caption":"Boats and Streams Questions for RRB Group-D PDF","description":"Boats and Streams Questions for RRB Group-D 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