In the following number series, two numbers are placed in brackets. Study the series carefully and select the correct option regarding the series. 0, 1, 4, 9, (15), 25, 36, 49, (64), 81
The first number placed in brackets (from the left) is wrong and the second is correct.
The series is the squares of consecutive whole numbers starting from 0.
0² = 0, 1² = 1, 2² = 4, 3² = 9, 4² = 16, 5² = 25, 6² = 36, 7² = 49, 8² = 64, 9² = 81
First bracketed number = 15, but it should be 16, so it is wrong.
Second bracketed number = 64 = 8², so it is correct.
Hence, The first number placed in brackets (from the left) is wrong and the second is correct..
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