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Answer : 2. "511 "
7, 26, 63, 124, 215, 342, ?
5Q:
7, 26, 63, 124, 215, 342, ?
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Answer : 2. "511 "
Explanation :
Explanation:
Numbers are (23 – 1), (33 – 1), (43 – 1), (53 – 1), (63 – 1), (73 – 1) etc.
So, the next number is (83 – 1) = (512 – 1) = 511.