Question

Snehal can row 28 km downstream and 12 km upstream in 5 hours. He can row 21 km downstream and 10 km upstream in 4 hours. Find the speed of Snehal in still water. (A) 9 km/h (B) 8 km/h (C) 6 km/h (D) 5 km/h​

Answer 1

Answer:

I don't know

Step-by-step explanation:

I am not good in math sorry

Answer 2

Step-by-step explanation:

Let the speed of upstream be \(x\) km/hr and speed of downstream be \(y\) km/hr. Thus, speed of snehal in still water \(=\dfrac {1}{2}(14+4)=9\) km/hr.