Number Series Questions

Choose the missing terms out of the given alternatives DHL, PTX, BFJ, ?

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

11, 13, 16, 18, 21, ?

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

43, 58, 88, 133, ?, 268

Which number will fit in '?' place in the following series?

2, ?, 12, 20, 30, 42

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

15, 22, 31, 42, 55, ?

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

91, 100, 118, 145, ?, 226

Find the missing number (?) in the series

1, 1, 4, 8, 9, ?, 16, 6,...