Arithmetic Ability
Permutations and Combinations

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Q.

In how many ways the letters of the word 'DESIGN' can be arranged so that no consonant appears at either of the two ends?

View Answer

Correct choice: C

Explanation:

DESIGN = 6 letters No consonants appear at either of the two ends. = 2 x 4P4 = 2 x 4 x 3 x 2 x 1= 48
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