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In the word “DISPROPORTIONATE”, firstly all the letters placed at prime-numbered positions (considering the first letter from the left as position
Question

In the word “DISPROPORTIONATE”, firstly all the letters placed at prime-numbered positions (considering the first letter from the left as position 1) are removed. Then, arrange the remaining letters in alphabetical order from left.
After that, each vowel is replaced by its second succeeding letter and each consonant is replaced by its immediately preceding vowel as per English alphabet. Now find, how many vowels are there in the final arrangement?

A.

6

B.

2

C.

3

D.

5

E.

4

Correct option is D

Given word - DISPROPORTIONATE
Step 1: Mark the position of letters
Step 2: Remaining letters after removing prime positioned letters from left end which are marked in red box (shown in step 1) - D P O O R T O A T E
Step 3: Remaining letters are arranged alphabetically from left - A D E O O O P R T T
Step 4: Applying operation of vowel and consonants
There are 5 vowels are there in the final arrangement.

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