A) 10
B) 20
C) 30
D) None of these
Correct Answer: B
Solution :
Since 2 persons can drive the car, therefore we have to select 1 from these two. This can be done in \[^{2}{{C}_{1}}\] ways. Now from the remaining 5 persons we have to select 2 which can be done in \[^{5}{{C}_{2}}\] ways. Therefore the required number of ways in which the car can be filled is \[^{5}{{C}_{2}}{{\times }^{2}}{{C}_{1}}=20\].
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