out of 4 officers and 10 clerks in a business organisation a committee consisting of 2 officers and 3 clerks is to be formed in how many ways can it done it
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Step-by-step explanation:
2 officers are selected out of 4 officers = 4C2
= 6
3 clerks are selected out of 10 clerks = 10C3
= 120
total number of ways forming a committee = 6×120
= 720
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