A man has some Hens and Cows. If the number of hens is 48
and number of feet is 140 .Find the number of Cows.
Asked by Rishav | 10th Apr, 2017, 11:14: AM
Number of heads = 48
Number of feet = 140
Let the number of hens be x and the number of cows be y.
x + y = 48 ....(1)
And, 2x + 4y = 140
i.e. x + 2y = 70 ....(2)
Subtracting (1) from (2), we get
y = 22
Hence, x = 48 - 22 = 26
Hence, the number of cows is 26.
Answered by Rashmi Khot | 10th Apr, 2017, 01:39: PM
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