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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

1 of 1

Application +4 | -1

Number of 4 digit numbers of the form

N=a b c d

which satisfy following three conditions:

(i)

4000 \leq N < 6000

(ii)

N

is a multiple of 5

(iii)

3 \leq b < c \leq 6

is equal to:

View answer and explanation

Correct option: C

24

Option C (24) is correct because the number of possible 4-digit numbers is found by considering the constraints on each digit.

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