Boats And Streams Fully solved questions with complete explanation for written test, interview, competitive exams and entrance test. This section is very useful for those who are preparing for competitive exams such as Written test of IT companies,Bank Exams, CAT Exams, GATE Exams, Railway Exams, SSC, UPSC, Defence and many more.

Q. If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the speed of the stream ?

  • A) 13 km/hr
  • B) 26 km/hr
  • C) 34 km/hr
  • D) none of these
Q. Speed of boat in still water is 10kmph..if it travels 24km downstream,16km upstream in the same amount of time,what is the speed of the stream?

  • A) 3kmph
  • B) 3.5kmph
  • C) 2kmph
  • D) 2.5kmph
Q. Speed of a boat is 9 kmph. it oes to a distance from A and B upstream and comes back from B to A downstream in 18 hours. if the speed of the current is 3 kmph, find the distance between A and B

  • A) 60 km
  • B) 72 km
  • C) 79 km
  • D) 92km
Q. A boat while travelling upstream covers a distance of 18 kms, at the speed of 3 Kms/hr. whereas while travelling downstream it covers the same distance at the speed of 9 kms/hr. what is the speed of the boat in still waters?

  • A) 3 kms/hr
  • B) 5 kms/hr
  • C) 7 kms/hr
  • D) none
Q. A boat covers 5km upstream or 25 km downstream in an hour. what distance would it cover in 2hrs in still water

  • A) 15km
  • B) 20km
  • C) 25km
  • D) 30km
Q. a man can row 10.5kmph in still water and he finds that the time taken ratio of upstream to downstream is 17:11. find the speed of the current.

  • A) 2.5kmph
  • B) 2.25kmph
  • C) 2kmph
  • D) 1.5kmph
Q. a man speed with the current is 12kmph and the speed of the current is 1.5 km/hr. then the man speed against the current is

  • A) 12kmph
  • B) 9kmph
  • C) 20kmph
  • D) 18kmph
Q. A boat goes 24 km downstream in 10 hours. It takes 2 hours more to cover the same distance against the stream. What is the speed of the boat in still water?

  • A) 2 km/hr
  • B) 2.8 km/hr
  • C) 4 km/hr
  • D) 2.2 km/hr
Q. The speed of a boat in still water is 15 km/hr. It can go 30 km upstream and return downstream to the original point in 4 hrs 30 min. The speed of the stream is:

  • A) 8 km/hr
  • B)  5 km/hr
  • C) 10 km/hr
  • D) 15 km/hr/
Q. The ratio of speeds of a motor boat to that of the current of water is 36 : 5. The motor boat, goes along with the current in 5 h 10 min. Find the time to come back of motor boat.

  • A) 5 hr 50 min
  • B) 6 hr
  • C)  6 hr 50 min
  • D) 12 hr 10 min
Today's Challenging Question
Q. Ajay & Bimal can do a price of work in 10 days, Bimal & Chetan can do in 15 days and Chetan and Ajay in 20 days. They work together for 6 days and then Ajay leaves and now Bimal & Chetan work together for 4 more days. If Bimal leaves, how long will Chetan take to finish the work?
A) 12 days
B) 10 days
C) 16 days
D) none
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