Find the next number in the following number series?
7, 10, 8, 11, 9, 12, ?

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

10 : 90 :: 50 : ?

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

Direction (66-70): What should come in place of the question mark(?) in the following number series?

4, 10, 22, 46, (?)

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

5 : 7 : 9 : 11 : 13 : 15 :?

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, ?

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

3 42 120 237 393 ?

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