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From a collection of 20 consecutive natural numbers, four are selected such that they are not consecutive. The number of such selections is
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Dec 27, 2021
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From a collection of 20 consecutive natural numbers, four are selected such that they are not consecutive. The number of such selections is
(A) \(284 \times 17\)
(B) \(285 \times 17\)
(C) \(284 \times 16\)
(D) \(285 \times 16\)
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