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: D) Y
Explanation:
we interchange the positions of the letters as shown below:
The new letter sequence is CENSSEYRA. Clearly, the seventh letter from the left is Y.