Number Series Questions

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

470, 465, 460, 455, ?, 445

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

41, 54, 67, ?, 93

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

14, 17, 21, 24, 28, 31, ?

The missing number in the given series is:

15 (105) 14 , 13 (?) 12

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

2, 3, 4, 9, 16, 29, 54, ?

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

42, 21, 21, ?, 63, 157.5

Find the value of 6 + 11 + 16 + 21 + 21 + .... + 71.

Can you find the next number in the sequence "0, 1, 4, 7, 8, 5, 2, 3, 6, 9, 9, 6, 3, 2, 5, 8, 7, 4, 1, 0, 0, …" ?