A alone complete work in 30 days. A and B together complete same work in 20 days B, C takes 15 days

Описание к видео A alone complete work in 30 days. A and B together complete same work in 20 days B, C takes 15 days

A alone can complete a work in 30 days. A and B together can complete the same work in 20 days while B and C takes 15 days to complete it. Find the time taken by C to complete the whole work alone.#ibpsrrbclerk #ibpspo #maths ‪@DKMATHS-it8nx‬

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