Find the missing number in the series-
1. 6 12 21 ? 48
(a). 33
(b).39
(c).36
(d).31
(e). None of these
2. 18 22 30 ? 78 142
(a). 44
(b).35
(c).46
(d). 48
(e). None of these
3.73205 6655 605 55 ?
(a). 9
(b).5
(c).13
(d).11
(e). None of these
4. 25 100 ? 1600 6400
(a).400
(b). 300
(c).360
(d).420
(e). None of these
5. 125 ? 343 512 729 1000
(a). 216
(b).215
(c).256
(d).225
(e). None of these
6. 1 9 125 343 ? 1331
(a). 730
(b).729
(c).512
(d).772
(e). None of these
7. 121 144 169 ? 225
(a). 180
(b).172
(c).186
(d).196
(e). None of these
8. ? 2116 2209 2304 2401 2500
(a). 2124
(b).1972
(c).1521
(d).2025
(e). None of these
9. 22. 1 2 512 27 58 121 ?
(a). 248
(b).244
(c).198
(d).190
(e). None of these
10. 3 8 13 24 41 ?
(a). 70
(b).66
(c).64
(d).62
(e). None of these
