Question

A farmer has some hen and some cows. Find out the total number of hen if the total number of heads is 50 and the total number of feet is 160?

A 22 Correct Answer Incorrect Answer
B 15 Correct Answer Incorrect Answer
C 20 Correct Answer Incorrect Answer
D 30 Correct Answer Incorrect Answer

Solution

Let the total number of hens = x Total number of cows = y According to the question , x + y = 50 & 2x + 4y = 160 Solving these two equations, we get x = 20

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