Who has been appointed as the new Chairman of UPSC?

200 ? 96 38.4 7.68 0

What will come in place of the question mark (?) in the following series?

77, 198, 342, 511, 707, ?

56, 27, 14.5, 6.25, ?, 1.0625

12, 12, 30, 120, ?, 4620

7 7 ? 43 163 831

10,14,26,42,70,?

96, 144, ?, 324, 486, 729, 1093.5

What will come in place of the question mark (?) in the following series?

112, 116, 121, ?, 134, 142

What will come in place of the question mark (?) in the following series?

7, 20, 59, 176, 527, 1580, ?

31      40      51      64      79       ?