Which number will replace the question mark (?) in the following series?
12, 22, 42, 72, ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 112
| Understanding | Application |
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Multiples of 10 are added to consecutive terms: 12, 22, 42, 72 12 + 10 = 22 22 + 20 = 42 42 + 30 = 72 |
Hence, Next term = 72 + 40 = 112 |