# Practice Questions on Permutation-CombinationAptitude Questions and Answers

## Moderate Permutation-Combination Question - 46

 Q46. In how many ways can 3 men and their wives be made stand in a line such that none of the 3 men stand in a position that is ahead of his wife?
 A. $\dfrac{6!}{3! × 3! × 3!}$ B. $\dfrac{6!}{2! × 2!}$ C. $\dfrac{6!}{2! × 2! × 2!}$ D. $\dfrac{6!}{2! × 3!}$

## Moderate Permutation-Combination Question - 47

 Q47. In a cricket match if a batsman score $0,1,2,3,4$ or $6$ runs of a ball, then find the number or different sequences in which he can score exactly 30 runs of an over. Assume that an over consists of only 6 balls and there were no extra and no run outs.
 A. 86 B. 71 C. 56 D. 65

## Moderate Permutation-Combination Question - 48

 Q48. In how many ways can the letters of the word $MANAGEMENT$ be rearranged so that the two $A$s do not appear together?
 A. 10! - 2! B. 9! - 2! C. 10! - 9! D. $\text{None of these}$

## Moderate Permutation-Combination Question - 49

 Q49. How many numbers are there between 100 and 1000 such that at least one of their digits is 6?
 A. 200 B. 225 C. 252 D. 120

## Moderate Permutation-Combination Question - 50

 Q50. A student is required to answer 6 out of 10 questions divided into two groups each containing 5 questions. He is not permitted to attempt more than 4 from each group. In how many ways can he make the choice?
 A. 210 B. 150 C. 100 D. 200
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