Question
31Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
16.5                       18                          ?                             60.5                       154.25 What should come in place of the question mark (?) in the following number series?Solution
31 × 0.5 + 1 = 16.5 16.5 × 1 + 1.5 = 18 18 × 1.5 + 2 = 29 29 × 2 + 2.5 = 60.5 60.5 × 2.5 + 3 = 154.25
More Series Questions
96, 144, ?, 324, 486, 729, 1093.5
What will come in place of the question mark (?) in the following series?
555, 430, ?, -320, -1320, -3320Â
12, 24, 46, 78, 120, ?
7, 176, ?, 378, 427, 452
...50, 49.5, ?, 45.5, 42, 37.5
5, 18, 39, ?, 105, 150
13, 41, 69, ?, 125, 153Â
Find the missing number, in the given number series.
60, 150, ?, 450, 450, 225
216, 81, 297, 378, ?, 1035, 1728
4, 9, 25, ?, 121, 169
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