Question
12, 16, ?, 36, 52,
72Â What will come in place of the question mark (?) in the following series?ÂSolution
ATQ, 12 + 4 × 1 = 16 16 + 4 × 2 = 24 24 + 4 × 3 = 36 36 + 4 × 4 = 52 52 + 4 × 5 = 72
More Approximation Questions
7, 22, 68, 207, 620, 1880
217Â Â Â Â 210Â Â Â Â Â 236Â Â Â Â Â 299Â Â Â Â Â 423Â Â Â Â 640
...3, 6, 18, 90, 630, 5670
 44, 57, 81, 119, 170, 234, 311.
1, 1, 3, 15, 105, 942
552, 448, 380, 306, 240, 182
3, 4, 9, 28, 116, 566, 3397
- Find the wrong number in the given number series.
25, 34, 18, 34, 9, 46 Find the wrong number in the given number series.
18, 40, 60, 132, 202, 408
125, 600, 2400, 7200, 14400