| Question | Select the number that can replace the question mark (?) in the following series. 23, 29, 31, 37, 41, 43, 47, ? | |
| Type | multiple_choice | |
| Option | 51 | incorrect |
| Option | 59 | incorrect |
| Option | 49 | incorrect |
| Option | 53 | correct |
| Solution | The number series is a prime number series. 23, 29, 31, 37, 41, 43, 47, 53 The next prime number after 47 is 53. Hence, ‘53’ is the correct answer. | |
