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Q. Numbers are to be formed between 1000 and 3000 , which are divisible by 4 , using the digits 1,2,3,4,5 and 6 without repetition of digits. Then the total number of such numbers is _____

JEE MainJEE Main 2022Permutations and Combinations

Solution:

Here $1^{\text {st }}$ digit is 1 or 2 only
Case-I
If first digit is 1
Then last two digits can be $24,32,36,52,56, 64$
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