From the sequence of the first 20 natural numbers, four are selective such that they are not a
692 views · Published 13 October 2018 · 3:47 · Indexed 24 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW From the sequence of the first 20 natural numbers, four are selective such that they are not all consecutive. The number of such selections is
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