Find the wrong number in the series : 3, 8, 15, 24, 34, 48, 63
A
15
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B
24
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C
34
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D
48
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Solution
The correct option is C 34 The difference between consecutive terms of the given series are respectively 5, 7, 9,11, 13 and 15. Clearly, 34 is wrong number and must be replaced by (24 + 11) i.e. 35. Hence, the answer is (C).