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17.
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In a
caravan, in addition to 50 hens, there are 45 goats and 8 camels with some
keepers. If the total number of feet be 224 more than the number of heads in
the caravan, the number of keepers is
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Answer: Option D
Explanation:
Let number of keepers be x. Then,
Total number of feet = 2 x 50 + 4 x 45 + 4 x
8 + 2x = 2x + 312.
Total number of heads = 50 + 45 + 8 + x= 103
+ x.
Therefore (2x + 312) = (103 + x) + 224 or x =
15.
