Campus
Maths Puzzle
Numerical Ability
Permutation and Combination
how many 9 digit numbers are possible using 1,2,3,4,5 which are divisible by 4 and the repetition is allowed?
Read Solution (Total 1)
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- divisibility by 4- last 2 digit of no. shld be divisible by 4
*******12
*******24
*******32
each shows 5 pow 7 ways
there fore ans is 3*(5 pow 7) - 7 years agoHelpfull: Yes(1) No(0)
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