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

4, 5, 7, (?), 19

What should come at place of question mark (?) in the following number series?

1.7 5.4 19.2 80.8 409 ?

Directions: Find the wrong number in the following number series:

2, 6, 10, 19, 36, 69, 134

Select the number that will replace the question mark (?) in the given number series.
 146, 90, 56, 34, 22, ?

Select the option that will fill in the blank and complete the given series.
14, 17, 23, 32, 44 , ___

Which of the following numbers will replace the question mark (?) in the given series?

67, 78, 71, 82, 75, 86, ?

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

15       50          155        470        1415       ____ ?

Find the value of p, when p= ( 5÷ 6 ) of 54 - 40 + 10 - 41 - 22