Find the missing number in the series given below. 13, 14, 18, 27, 43, ?

| Question | Find the missing number in the series given below. 13, 14, 18, 27, 43, ? | |
| Type | multiple_choice | |
| Option | 34 | incorrect |
| Option | 39 | incorrect |
| Option | 68 | correct |
| Option | 49 | incorrect |
| Solution | 13 + 12 = 14 14 + 22 = 18 18 + 32 = 27 27 + 42 = 43 43 + 52 = 68 | |