In a group of buffaloes and ducks, the number of legs is 24 more than twice the number of heads. What is the… · ABC26GN1279

Subject: General Aptitude · Chapter: Simplification

In a group of buffaloes and ducks, the number of legs is 24 more than twice the number of heads. What is the number of buffaloes in the group?

(a)6

(b)8

(c)10

(d)12

Answer

Answer (as printed): D

Explanation

Let the number of buffaloes be $x$ and the number of ducks be $y$. Then, $4 x+2 y=2(x+y)+24 \Leftrightarrow 2 x=24 \Leftrightarrow x=12$.

Explanation as extracted from the printed page; notation may be imperfect.

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