Find the missing number in the following sequence 4, 10, ?, 82, 244, 730
A
24
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B
28
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C
77
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D
218
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Solution
The correct option is C 28 Difference between term1 and term2 = 6 Difference between term4 and term5 = 162 Difference between term5 and term6 = 486, which is 162 x 3. With that pattern difference between term2 and term3 = 6 x 3 = 18. ∴ The third term would be 10 + 18 = 28. The correct answer is (B)