Question

Two boys weighing in the ratio 4:5 goes up stair
taking time in the ratio 5:4. The ratio of their
power is:
(a) 1
(b) 16/26 (c) 25/16 (d) 4/5
Answer was B according to reference book but I got c.Can anyone explain.Thanks
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Answer 1

Answer:

25/16

Explanation:

As 5*5 = 25

4*4 = 16

so 25/16

Answer 2

Answer:

ans is 16/25

Explanation:

As P=W/t

P1/P2 = (W1/W2)(t2/t1)

= (4/5)(4/5)

= 16/25