UPSC CSAT 2023 Batsman scores 25 runs problem

Описание к видео UPSC CSAT 2023 Batsman scores 25 runs problem

In how many ways can a batsman score exactly 25 runs by scoring single runs, fours and sixes only, irrespective of the sequence of scoring shots?
(a) 18
(b) 19
(c) 20
(d) 21

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