Question 16

Select the option that will correctly replace the question mark (?) in the series.
102, 98, 82, 46, ?

Solution

Squares of consecutive even natural numbers are subtracted.

102 - $$(2)^2$$ = 98

98 - $$(4)^2$$ = 82

82 - $$(6)^2$$ = 46

46 - $$(8)^2$$ = -18

=> Ans - (D)

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