In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.
1, 2, 5, 12, 27, 58, 121,
A
246
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B
247
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C
248
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D
249
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Solution
The correct option is D 248 The pattern is * 2 + 0, * 2 + 1, * 2 + 2, * 2 + 3, * 2 + 4, * 2 + 5,... ∴ Missing number = 121 * 2 + 6 = 248.