In following number series, two terms have been put within brackets. Choose the appropriate option Choose the appropriate option (2), 5, (12), 25, 41, 61
A
If both the bracketed terms are right:
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B
If the first bracketed term is right and second is wrong:
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C
If the first bracketed term is wrong and second is right:
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D
If both the bracketed terms are wrong.
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Solution
The correct option is D If both the bracketed terms are wrong. The correct sequence is + 4, + 8, + 12, + 16, + 20. Clearly, 2 is wrong and must be replaced by (5 - 1) i.e. 4. Also, 12 is wrong and should be replaced by (5 + 8) i.e. 13.