Published by:
CGP EDU Academic Team
Published on: August 14, 2026
On the occasion of Deepawali festival each student of a class sends greeting cards to the others. If there are 20 students in the class, then the total number of greeting cards exchanged by the students is
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
{Since two students can exchange cards each other in two ways}.
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