Management Aptitude Test 2014 Paper

(d) Let, number of deers = x
and number of ducks = y
Total head counted = 180
∴ x + y = 180 ..........(i)
Total legs counted = 448
∴ 4x + 2y = 448
⇒ 2x + y = 224 .......(ii)
On solving Eqs. (i) and (ii), we get
x = 44 and y = 136
∴ Number of deers = x = 44