Question
13Â Â Â Â 13Â Â Â Â Â Â 26 Â Â Â Â Â Â ?Â
     832       13312 What should come in place of question mark ‘?’ in the following number series?Solution
13 × 1 = 13 13 × 2 = 26 26 × 4 = 104 104 × 8 = 832 832 × 16 = 13312
230 192 172 ? 122 100
...What value should come in the place of (?) in the following number series?
64, 80, 104, ?, 176, 224
97, 106, ?, 195, 411, 460
What will come in place of the question mark (?) in the following series?
29, 42, ?, 95, 135, 184
Find the missing term:
2, 6, 15, 31, 56, ?
32   48   96   ?   720   2520
82, 98, 130, 178, 242, ?
4 10 ? 62.5 156.25 390.625
...140, 146, 170, 224, ?, 470
7 47 ? 223 359 527
...