Number Series Questions

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

6578, 4381, 2653, ?, 322

Select the correct option will complete the given number series.

13, 10, 7, 4, ___

In the following question, select the missing number from the given series.
3, 4, 5, 4, 9, 10, 6, 16, 15, 9, 25, 20, 13, 36, ?

In the following question, select the missing number from the given series.
21, 25, 52, 68, 193, ?

Find the next term in the given series.B2, K12, T72, .......

Select the missing number from the given responses:

Bhavin's birthday is on Monday 29th May. On what day of the week will be Rachit's Birthday in the same year if Rachit was born on 17th November?

Find the missing number in the following series.
27, 29, 33, ?, 57