Question
Mathematics Question on permutations and combinations
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 ______________.
Answer
The correct answer is 30
Number must start by 1 or 2 and for divisibility by
4 last two digits shall be divisible by 4
ā Total 30 numbers