There are 10 trains plying between Calcutta and Delhi. The number of ways in which a person ca
884 views · Published 13 October 2018 · 1:47 · Indexed 24 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW There are 10 trains plying between Calcutta and Delhi. The number of ways in which a person can go from Calcutta to Delhi and return by a different train is:
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