utets13 q107

0. In a farm, there are some hens and goats. The sum of their heads are 77 and sum of their legs are 248. The number of hens in the farm are

Answer
Comment
Array

Option : B
Explanation : Let the number of hens and goats be x and y, respectively.
x + y = 77 .......(i)
and 2x + 4y = 248 ........(ii)
Solving the above two equations, we get
y = 47
and x = 30

Forgot your password?

I agree with the Terms.