Published by:
CGP EDU Academic Team
Published on: August 14, 2026
There are 10 pairs of shoes on a cup board. The no. of ways can 4 shoes be selected so that there is no pair is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Method I: No. of ways selecting 4 pairs = 10 C 4 .
From each pair we can select left or right shoe.
For each pair there are 2 choices.
For 4 pairs we have 2 4 choices.
∴ ∴ Total no. of ways = 10 C 4 .2 4 .
Method II: = 
.
Method III: = 
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