(49 x ?) / 3.5 + 389 =

What should come in place of (?) question mark in the given number series.

2, 6, 15, 31, 56, ?

98, 89, 114, 50, 194, ?

13      13        26         ?        832         13312

What will come in place of the question mark (?) in the following series?

72, 78, 90, ?, 132, 162

Find the missing number in the given number series.

2, 5, 11, 23, 47, ?

101, 103, 107, 109, 113, ?

250     25      5      ?      0.6       0.3

What will come in place of the question mark (?) in the following series?

60, 110, 224, 463, ?, 1716

What will come in place of the question mark (?) in the following series?

24, 25, 34, 59, 108, 189, ?