Question

In a group of cows and chickens, the number of legs was 14 more than twice the number of heads. The number of cows was:

• A. 5
• B. 7
• C. 10
• D. 12

Answer 1

The correct option is B 7

Given, 4 $\times$ (no. of cows) + 2 $\times$ (no. of chickens) = 2 $\times$ (no. of cows + no of chickens) + 14:
no. of cows = 7