Question (1/147)

A has some hens and cows. If the number of heads be 48 and number of feet equals 140, then the number of hens are ?

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(A)  22

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(B)  24

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(C)  26

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(D)  28

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Question (2/147)

In a group of buffaloes and ducks, the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group ?

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(A)  10

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(B)  11

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(C)  12

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(D)  13

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