Mathematical Reasoning - Number Series
31. Find the missing number in the following series.
10, 24, 52, ?, 220, 44, 892
32. Which of the following will not be a number of the series
1, 8, 27, 64, 125,?
- Option : A
- Explanation : The given series consists of cubes of natural numbers only. The number 256 is not the cube of any natural number.
33. Find the missing number in the following series.
13, 32, 24, 43, 35, ?, 46, 65, 57, 76
- Option : C
- Explanation : The given sequence is a combination of two series.
Ist Series: 13, 24, 35, 46 and 57
IInd Series: 32, 43, ?, 65 and 76
The pattern in both series is + 11. Hence, the missing term = 43 + 11 = 54.
35. Find the wrong number in this sequence.
10, 26, 74, 218, 654, 1,946
- Option : D
- Explanation : 10 × 3 − 4 = 26
26 × 3 − 4 = 74
74 × 3 − 4 = 218
218 × 3 − 4 = 650
650 × 3 − 4 = 1946
