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6 years, 10 months ago
please solve this question, the answer is (d)
6 years, 10 months ago
its coming out 12, as m(m+1)(2m+1)/6=4k, k be any constant, so we are required to found numbers when put in place of m gets a numerator that is divisible by 24, numbers- 8,16,24,32,40,48,56,64,72,80,88,96. not getting more 12 to get answer 24.
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