Find the next number in the series: 7, 63, 215, 511, …. ?
Find the next number in the series: 7, 63, 215, 511, …. ? Correct Answer 999
Here, each number is one less than cube of a number. i.e. 23=8-1=7, 43=64-1=63, 63=216-1=215, 83=512-1=511. So, the next number will be 103=1000-1=999. Hence, the answer is 999.
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Feb 20, 2025

