MBA Exam Numerical Ability Permutation and Combination

In how many ways can the letters of the word "DOUBLE" be arranged such that no two vowels are together??

1) 6!-4!
2) 6!-4!3!
3) 3!4!
4) 6!-3!

Read Solution (Total 2)

MBA Other Question

Katrinawalks down an up-escalator and counts 150 steps. Priyanka walks up thesame escalator and counts 75 steps. Katrina takes three times as manysteps in a given time as Priyanka. How many steps are visible on theescalator?

1) 105
2) 150
3) 135
4) 120
5) None of these
A number P4571203R is divisible by 18.Which one of the following values can P and R take?

1) 1,2
2) 2,3
3) 6,8
4) 3,3