On a new year day every student of a class sends a card to every other student. The postman d
596 views · Published 13 October 2018 · 2:20 · Indexed 23 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW On a new year day every student of a class sends a card to every other student. The postman delivers `600` cards. The number of students in the class are
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