Question

If the first and third letters in the word NECESSARY were interchanged, also the fourth and the sixth letters, and the seventh and the ninth letters, which of the follwing would be the seventh letter from the left ?
A) E
B) S
C) R
D) Y

Answer 1

The answer is
D)y






hope it will help you

Answer 2

NECESSARY

Since the question revolves around  the interchange of seventh and ninth letter only that is  A and Y , the new word would be CENSSEYRA

That makes Y to be the seventh letter from left. Other combination given in the question of interchange does not effect the outcome of the answer.