When is World Tsunami Awareness Day observed in

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

11, 18, 30, 52, 94, ?

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

6, 31, 126, 381, 766, ?

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

Select the related word/letters/number from the given alternatives.

LHX: OEA : : PFT : ?

Find the missing term in the following series:

43 44 ? 69 185

Find the missing numbers.

What will come in the place of question mark?

In each of the following questions, select the related number from the given alternatives:

8/15 : 2/5 : : 16/21 : ?

Find the missing term in the given series: