Latest TCS Aptitude Question SOLUTION: From a group of 7 men and 6 women ,five person are to be selected to form a committee so that at least 3 men are there on the committee.in how many ways can it be done? a) 564 b) 6

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(#M40022941) TCS Numerical Ability question Keep an EYE

From a group of 7 men and 6 women ,five person are to be selected to form a committee so that at least 3 men are there on the committee.in how many ways can it be done?
a) 564
b) 645
c) 735
d) 756

Asked In TCS juhe rawat (10 years ago)

Unsolved Read Solution (4)

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Read Solution (4) :

C.Pravetha  (10 years ago)

(7c3*6c2)+(7c4*6c1)+(7c5*6c0)
=756.

Is this solution Helpfull? Yes (24) | No   

M.NITHYA  (10 years ago)

(7c3*6c2)+(7c4*6c1)+(7c5*6c0)=756

Is this solution Helpfull? Yes (3) | No   

Ramesh.V  (10 years ago)

7c3*6c2
35*15=525 this the ans.

Is this solution Helpfull? Yes | No (8)  

hajrul  (9 years ago)

We may have (3 men and 2 women) or (4 men and 1 woman) or (5 men only).

Required number of ways = (7C3 x 6C2) + (7C4 x 6C1) + (7C5)
= 7 x 6 x 5 x 6 x 5 + (7C3 x 6C1) + (7C2)
3 x 2 x 1 2 x 1
= 525 + 7 x 6 x 5 x 6 + 7 x 6
3 x 2 x 1 2 x 1
= (525 + 210 + 21)
= 756.

Is this solution Helpfull? Yes | No   

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