Question

A Woman’s downstream swimming rate is thrice of her upstream swimming rate. If she covers 12 km upstream in 2.5 hours, what distance she will cover in 5 hours downstream?
A) 72 km
B) 36 km
C) 56 km
D) 42 km

Answer 1

Answer:

The answer is 72km

Step-by-step explanation:

Here,

Let time taken by the woman to go upstream in 1 hour be x

then according to question: distance covered by the woman in the same time is 3x.

So, we first find the value of distance covered while going upstream in one hour.

∴ x = 12/2.5

  x = 4.8 km

∴ distance covered while going downstream in 1 hour = 4.8 X 3

  = 14.4

Therefore, distance covered in 5 hours while going downstream

 = 14.4 X 5

 = 72km

 Hence found.