Find the missing term: 625, 5, 125, 25, 25, ?, 5

Find the missing term: 198, 194, 185, 169, ?

Find the missing term: 45, 54, 47, ?, 49, 56, 51, 57, 53

44, 41, 38, 35, 32, 29, 26, ... choose which pair of numbers comes next?

Find the missing term: 1, 1, 2, 6, 24, ?, 720

What will come at the place of question mark ?<br>5690, 5121, 4552, 3983, 3414, 2845, ?

Find out the wrong term: 25, 36, 49, 81, 121, 169, 225

Which term of the series 5,10, 20, 40,...................is 1280 ?

What will come at the place of question mark ?<br>165, 195, 255, 285, 345, ?