12,32,72,152 _
Correct answer: A. 312
- A. 312
- B. 325
- C. 515
- D. 613
Explanation
12+20=32 32+40=72 72+80=152 so 160 should be added in 152 152+160=312
This question appeared on the NUMS 2014 paper, which you can sit online with every answer explained.
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