Question 40

Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term.
U144 : S121 :: N100 : L81 :: G64 : ?

Solution

U144 : S121

U144 ==> U $$(12)^2$$ ==> (U-2) $$(12-1)^2$$ ==> S $$11^2$$ ==> S121

N100 : L81

N100 ==> N $$(10)^2$$ ==> (N-2) $$(10-1)^2$$ ==> L $$9^2$$ ==> L81

G64 : ?

G64 ==> G $$(8)^2$$ ==> (G-2) $$(8-1)^2$$ ==> E $$7^2$$ ==> E49

Hence 'E49' will come in place of the question mark.

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Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term.U144 : S121 :: N100 : L81 :: G64 : ?