Who chairs the Technical Expert Group formed for the

Find the missing number.

20, 30, 42, 56, 72, ?

Select the missing number from the given responses.

Find the missing term:

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 the following expression find the missing term:  

Select the related number from the given alternatives.

29 : 65 : : 43 : ?

In the following question, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

2, 5, 11, 23, ?

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

First row: 14, 12, 108