Question

There are 10 members in a delegation which is to be sent at SAARC summit. The total number of members is 18. In how many ways can the selection be made so that 2 members are always included?

A 17280 Correct Answer Incorrect Answer
B 13760 Correct Answer Incorrect Answer
C 13870 Correct Answer Incorrect Answer
D 11560 Correct Answer Incorrect Answer
E 12870 Correct Answer Incorrect Answer

Solution

2 members are always included, So, Required ways = 16C8 = 16!/(8! ×8!) = 12870

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