Let n be the number of different five-digit numbers, divisible by four with the digits $1, 2, 3, 4, 5$ and $6$ , no digit being repeated in the numbers. What is the value of n?

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Important Questions on Permutations and Combinations

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 26 - Permutations and Combinations>Level of Difficulty>Q 78

How many numbers greater than $0$ and less than a million can be formed with the digits $0, 7$ and $8$ ?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 26 - Permutations and Combinations>Level of Difficulty>Q 79

In how many ways is it possible to choose a white square and black square on a chessboard so that the squares must not lie in the same row or same column?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 26 - Permutations and Combinations>Level of Difficulty>Q 82

Twenty-seven persons attend a party. Which one of the following statements can never be true?

MEDIUM

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 26 - Permutations and Combinations>Level of Difficulty>Q 83

There are six boxes numbered $1, 2 . . . . . . . 6$ . Each box is to be filled up either with a red or a green ball in such a way that at least one box contains a green ball and the boxes containing green balls are consecutively numbered. Find the total number of ways in which this can be done.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 26 - Permutations and Combinations>Level of Difficulty>Q 84

How many numbers can be formed with odd digits