SSC JE Mechanical Engineering 11 Oct 2020 Shift 1 Papers

Question : 44 of 200

Marks: +1, -0

Select the option that is related to the third number in the same way as the second number is related to the first number.
18 : 306 : : 19 : ?

Solution:

The logic followed here is :
Second number = (First number)

^{2}

- (First number)
For 18 : 306,
182 -18 = 324 -18 = 306.
Similarly,
For 19 : ?,

19^2 - 19 = 361 - 19 = 342.

Hence, the correct answer is "342".

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