Select the numbers that can replace the question marks (?) in the following series.
36, 49, 51, 39, 53, 54, 42, 57, 57, 45, ?, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 61, 60
| Understanding |
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Logic: 3 alternate series are there with difference of 3, 4 and 3 respectively between the numbers. 36, 49, 51, 39, 53, 54, 42, 57, 57, 45, ?, ? 36 + 3 = 39 + 3 = 42 + 3 = 45 49 + 4 = 53 + 4 = 57 + 4 = 61 51 + 3 = 54 + 3 = 57 + 3 = 60 Hence, 61 and 60 are the next two terms. |