Question 4

Select the correct option that will fill in the blank and complete the series.
45, 49, 58, 74, .........

Solution

$$ 45 - 49 = 4 (2^{2}) $$

$$ 49 - 58 = 9 (3^{2}) $$

$$58 - 74 = 16 (4^{2}) $$

Hence Next number will $$(5^{2}) = 25 + 74 = 99 $$

Hence Option C = 99 is right option.

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Select the correct option that will fill in the blank and complete the series.45, 49, 58, 74, .........