IBPS Government Jobs Exams Numerical Ability Boats and Streams

A boat takes 105/2 hours to travel downstream from A to B and upstream from B to A. If the speed of the boat in still water is 17.5 kmph and the speed of current is 1.5 kmph. What is distance between A and B ?
A) 300 km B) 320 km C) 234 km D) 456 km E) 430 km

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IBPS Other Question

In the given questions, two quantities are given, one as Quantity I and another as Quantity II. You have to determine relationship between two quantities and choose the appropriate option
Q. Find out the length of train X given that speed of train X is 20 m/sec.
I. Train X crosses another train Y moving in opposite direction in 6 sec and the speed of train Y is 50% more than the speed of train X.
II. Length of train Y is 50% less than length of train X.

A) Both I and II together B) Only statement I C) Only statement II D) Both I and II together are not sufficient E) Either I or II alone Two pipe A and B can fill the tank in 30 min and 36 min respectively. Both pipes start together but due to some reason they work with of their 2/3 rd and 3/5 th efficiency respectively. After sometimes the problem is solved and remaining tank is filled in 10 min. Find out the total time taken by pipes to fill the tank?
A)8 min B)12 min C)10 min D)9 min E)20 min