in a group of cows and hens ,the number of legs are 16 more than thirce the number of heads. The possible number of cows and hens are respectively:
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The possible number of cows and hens according to above given question are 20 and 4 .No of heads is no of cows + no of hens. According to question thrice the number of heads and 16 more is equal to 4 times cows and 2 times hens.
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