Select the option that is related t o the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
 24 : 840 :: 27 : ? :: 33 : 1452

Direction (66-70): What should come in place of the question mark(?) in the following number series?

4, 5, 7, (?), 19

Select the option that will fill in the blank and complete the given series.
14, 17, 23, 32, 44 , ___

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

15       50          155        470        1415       ____ ?

Directions: Find the wrong number in the following number series:

2, 6, 10, 19, 36, 69, 134

Which number will replace the question mark(?) in the following number series?
7, 11, 18, 29, ? , 76

Select the number that will replace the question mark (?) in the given number series.
 146, 90, 56, 34, 22, ?

Which of the following numbers will replace the question mark (?) in the given series?

67, 78, 71, 82, 75, 86, ?