Question

Anil has some hens and some cows. If the total number of animal heads are 81 and total number of animal legs are 234, how many cows does Anil have?

• A. 45
• B. 24
• C. 36
• D. 32

Answer 1

Answer:

C. 36

Let the Number of Cows=x, Number of hens=y each animals has one head, Total heads=1x+1y=81 ---------(1) Hen have 2 legs and Cow have 4 legs. Total legs=4x+2y=234 -----------(2) By solving (1) x 2- (2), 2x+2y-2x-4y=162-234 -2x=-72 x=36 Number of Cows = 36.