'इन्द्रिय' का विशेषण

16, 20, 47, 63, 188, ?

161      173        191         215        245         ?

Find the missing number in the given number series.

6, 15, 35, 66, 108, ?

8       13       36       123       ?      2585

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

121, 110, 97, ?, 61, 38

660, 653, 639, 618, 590, ?

55, 71, 119, 199, 311, ?

80, 120, 30, 45, 9, 13.5, ?

24   12   18   ?   157.5   708.75   3,898.125

71, 79, 88, 152, ?, 393