Ashifur September 9, 2023 - 17:55
Problem: A committee of 5 is to be formed from 6 male student. In how many ways can this be done so that committee contains at least one male and one female student ?

View all: RUPALI BANK LTD (CANCELLED) WRITTEN QUESTION (MATH) SOLVE | 2018

Correct Answer: 455

Explanation:

Ways Male(6) Female(5) Committee Total result
i) 4 1 6�4×5�1= 15×5 75
ii) 3 2 6�3×5�2 = 20×10 200
iii) 2 3 6�2×5�3=15×10 150
iv) 1 4 6�1×5�4 = 6×5 30
Totale number of ways = 455
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