Number Series Questions

Which number comes next in the series?

1, 5, 2, 6, 3, 7, ?

In the following question, select the missing number from the given series.

9, 13, 22, 38, 63, ?

In the following question, select the missing number from the given series.

6, 13, 20, 27, ?

In the following question, select the missing number from the given series.

21, 11, 32, 43, 75, ?

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

1.5 % of 4600 + 2.8% of 2000 - 109 = ?

In the following question, select the missing number from the given series.

831, 842, 853, 864, 875, ?

In the following question, select the missing number from the given series.

43, 58, 88, 133, ?, 268