Question

If 21 Cows Eat As Much Food As 15 Buffaloes, How Many Cows Will Eat As Much Food As 35 Buffaloes?
(a) 56
(b) 50
(c) 49
(d) 45​

Answer 1

Answer:

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Explanation:

cows eat as much as buffaloes

21=15

the number cows that eat as much as buffaloes.

35=49

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Answer 2

Answer:

(c) 49

Explanation:

This is a problem of ratios.

15 buffaloes => 21 cows

35 buffaloes => ? cows

Let ratios a:b and c:d be in proportion, which is a:b :: c:d

Then we know that:

a/b = c/d

ad = bc

d = (bc)/a

Applying this to the given problem:

a = 15; b = 21; c = 35; d = ?

d = (b*c)/a

d = (21*35)/15

d = 735/15

d = 49

No. of cows = 49, Option (c)