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, ?

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

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

250, 275, 301, ?

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

In the following question, select the missing number from the given series.
2, 5, 12, 27, ?

What value will come in place of question mark (?) in the number – series given below?

3 42 120 237 393 ?

A series is given with one term missing. Choose the correct option from the given alternatives and complete the series.
3, 2, 6, 8, 18, 40, 72, 240, ?