4.
In the following series of numbers, find out how many times, 1 , 3 and 7 have appeared together, 7 being in the middle and 1 and 3 on either side of 7?
6.
In the following alphabet series:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
If the alphabet is written in the reverse order and every alternate letter starting with Y is dropped, which letter will be exactly in the middle of the remaining letters of the alphabet ?
Deselect Answer