Question
The total of five back-to-back even numbers is 150.
What’s the value of (cube of the least) – (square of the greatest)?Solution
ATQ,
x + (x+2) + (x+4) + (x+6) + (x+8) = 150
5x + 20 = 150
5x = 130
x = 26
Hence, Required difference = (26³ – 34²) = 17576 – 1156 = 16420
More No. System Questions
11Â Â Â 36Â Â Â Â 112Â Â Â Â 336Â Â Â Â 1011Â Â Â Â 3036
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11, 20, 38, 65, 99, 146
210, 140, 105, 84, 70, 63, 52.5Â
8Â Â Â Â Â 5Â Â Â Â Â Â 6.5Â Â Â Â Â 11.75Â Â Â Â Â 26Â Â Â Â Â 65
...In each of the following, one term is wrong. Find the WRONG term.
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