Slot -2 – Quantitative Aptitude – Algebra – Inequalities – If N and x are positive integers
If N and x are positive integers such that N^N = 2^160 and N^2 + 2^N is an integral multiple of 2^x, then the largest possible x is?
Solution: N^N = (2^5)^32
N^N = 32^32
32^2 + 2^32 = (2^5)^2 + 2^32
32^2 + 2^32 = 2^10 + 2^32
32^2 + 2^32 = 2^10(1 + 2^22)
Hence, Largest possible value of x is 10.
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