Practice Test Discussion

Q)

Deepak has some hens and some goats. If the total number of animal heads is 90 and the total number of animal feet is 248. What is the total number of goats Deepak has?

[PNB Management Trainee, 2010]

    • Explanation

    Let the number of hens be x and that ofgoats bey.∴    x+y=90       ----(i)         2x + 4y = 248⇒     x+2y =124⇒     90−y + 2y = 124   [from Eq. (i)]⇒     y =124−90=34Hence, option C is correct.

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