Which number will replace the question mark (?) to complete the given series?
26, 37, 50, 65, ?, 101

What should come in place of the question mark (?) in the given series?
61 66 72 77 83 ?

What should come in place of the question mark (?) in the given series?
76 81 91 111 151 ?

Select the number from among the given options that can replace the question mark (?) in the following series.
121, 144, 169, 196, ?

What should come in place of the question mark (?) in the given series?
24, 30, 25, 29, 26, ?

What should come in place of the question mark (?) in the given series?
21, 57, 87, 111, 129, ?

What should come in place of the question mark (?) in the given series?
5, 11, 23, 47, 95, ?

What should come in place of the question mark (?) in the given series?
20, 10, 40, 20, 80, ? ​

What should come in place of the question mark (?) in the given series?
4,9,24,69,204,?

169, 196, 225, 256, ?