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A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be: |
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Answer: Option D Explanation: Let the number of hens be x and the number of cows be y. Then, x + y = 48 .... (i) and 2x + 4y = 140 Solving (i) and (ii) we get: x = 26, y = 22.
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