At an election, three wards of a town are canvassesed by 3, 4 and 5 men respectively. If 20 men volunteer, then the number ways can they be allotted to the different wards is
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a
20c3
b
17c4
c
13c5
d
20c3.17c4.13c5
answer is D.
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Detailed Solution
The number ways can they be allotted to the different wards is =20c3.17c4.13c5