Complete the series :

7, 11, 13, 17, 19, ......

Find out the missing (?) number and letter.

Arrange the following in meaningful sequence:

A. Key

B. Door

C. Lock

D. Room

Choose the most appropriate answer from the options given below:

Complete the series,

3, 12, 27, 48, 75, 108, ?

Choose the missing term out of the given alternatives:

B2D, C3F, E4I, H5M, ?, Q7X

Consider the alphabet series as given below and answer the question that follows:

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

Now, if all the vowels are removed from the given series, then which alphabet will be the seventh to the right of the fifth alphabet from the left?

Find the next term in the alphanumeric series:

C5, D16, G24, L72, S48, ?