10                           15                           ?                              75                           225                         787.5

Find the missing number in the givens series.

99, 143, (?) , 255, 288

Select the missing number from the given responses.

Find the missing term?

19 : 109 ∷ 21 : ?

15 Select the number from among the given options that can replace the question mark (?) in the following series.

24, 48, 51, 204, 209, ?

In each of the following questions select the related letter/word/figure/number from the given alternatives.

JRH : ? : : KOV : 51 

Select the number from among the given options that can replace the question mark ‘ ? ’ in the following series.

M/14 : O/12 : : U/6 : ?

Select the combination of numbers that when placed sequentially in the blanks of the given series will complete the series.

Find the missing term:

30       22.5          15       9.375        ?