Book Maths Puzzle Numerical Ability Permutation and Combination

How many word of 11 letters would be formed with all the vowels present in even place using all the letters of the alphabet? (without repetitions)

A) 21P6 5! B) 21!

C) 21p5 D) 26P5

Read Solution (Total 2)

Book Other Question

next number of series 2,4,8,61,23,46,821, If A = 2,5,8,.....302 and
B = 3,5,7.....303,
the no. of common terms of A and B is ?
a. 53
b. 52
c. 51
d. 50