From 6 boys and 4 girls, 5 are to be sele… | Answer | TuitionWave

Subject

Bank Exam

Topic

Janata, Sonali & Agrani Bank Recruitment 2008

From 6 boys and 4 girls, 5 are to be selected for admission for a particular course. In how many ways can this be done if there must be exactly 2 girls?
Reading

ক)

60

খ)

30

গ)

90

ঘ)

120

Explanation

The no. of ways = (6C3)(4C2)= 6(5)(4)/3(2)(1) * 4(3)/2(1) =20*6=120

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