What will come next in the given series?
6L, 9M, 14O, 21R, ?

5, 54, 90, 115, 131, 140?

Choose the option which complete the given figures series.

What comes next in the given series?
6C, 10F, 14I, 18L, ?

Select the figure that will come next in the following figure series.

Select the shape that will follow in the following series.

What will come in the place of question mark?
23, 93, 373, 1493, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
122, 197, 290, ?