Syntel Company Numerical Ability Permutation and Combination

In how many ways can the digits 2,3,5,7 and 9 be placed to form a three-digit number so that the higher order digit is always greater than the lower order digits?

1: 8
2: 9
3: 10
4: 15

Read Solution (Total 10)

Syntel Other Question

What is the next number of the following sequence
1.5, 3, 9, 18, 54, 108,...?
what is the next number following sequence
.49216256491(?)
1)5
2)6
3)4
4)3