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Select the option in which the number-pair shares the same relationship as that
shared by the given number-pair.
115 : 163
Given,
115 : 163
The pattern followed here is :
$$11^2-6=121-6=115$$
$$13^2-6=169-6=163$$
Only Option D is following a same pattern,
i.e; $$7^2-6=49-6=43$$
$$9^2-6=81-6=75$$
so , 115 : 163 : : 43 : 75
Hence, Option D is correct.
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