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In a group of goats and hens, the number...

In a group of goats and hens, the number of legs are 10 more than twice the number of heads. The number of goats is:

A

5

B

7

C

10

D

12

Text Solution

Verified by Experts

The correct Answer is:
A
Let there be x cows and y hens. A cow has 4 legs and a hen has 2 legs.
` rArr 4x +2y = 2(x + y) + 10`
` rArr x = 5`
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