Question
28 57 172
689 ? 20677 What should come in place of question mark (?) in the following number series?Solution
28 × 2 + 1 = 57 57 × 3 + 1 = 172 172 × 4 + 1 = 689 689 × 5 + 1 = 3446 3446 × 6 + 1 = 20677
More Series Questions
14 8 6 4 7 8.5
...15 13 28 24 54 52
...35 36 40 49 65 ?
...12 11 21 62 ? 1234
24 ? 14 16 39 88.5
...3 ? 7 16 71 346
...48 50 54 57 ? 70
If 7 16 x 90 171 292
Then, 2x 2 + 1 + x ...
73920, 9240, ?, 220, 44, 11
Three series are given below. You have to find the values of P, Q and R, then establish a relationship among them.
I: 840, P , 584, 456, 5...
