Kishan has some hens and some cows. If the total number of animal heads are 59 and the total number of feet are 190,
Kishan has some hens and some cows. If the total number of animal heads are 59 and the total number of feet are 190, how many cows does Kishan have ?
(a) 36 (b) 32
(c) 23 (d) Cannot be determined
(e) None of these
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(a) A hen has two legs whereas a cow has four legs.
But both of them have one head each. Let Kishan have x cows
Number of hens = 59 – x.
According to the question,
4 × x + (59 – x) × 2 = 190
or, 4x + 118 – 2x = 190
or, 2x = 190 – 118 = 72
x = 72/2 = 36
Number of cows = 36
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