Question 27

Complete the series. 5, 7, 25, 49, 125, (...)

Solution

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it's an alternate series of 5 and 7 in following pattern,

$$5,\ 5^2=25,\ 5^3=125,......$$

and 

$$7,\ 7^2=49,\ 7^3=343,......$$

C is correct choice.

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