Question 31

Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.

8 : 514 :: 3 : 29 :: 7 : ?

Solution

In each set, the cube of the first number is added by 2 to obtain the second number. It is given below.

8 ==> $$8^3+2$$ = 512+2 = 514

3 ==> $$3^3+2$$ = 27+2 = 29

7 ==> $$7^3+2$$ = 343+2 = 345

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