Determine the third term of a geometrical progression whose first and second term are 2…

Determine the third term of a geometrical progression whose first and second term are 2 and 54 respectively

Correct Answer: Option A

Explanation

1st G.P. = a =2
2nd G.P. = ar(^{2 −1}) = 54
2(r) = 54
r = 54/2 = 27
r = 27
3rd term = ar(^2) = (2) (27)(^2)
2 × 27 × 27
= 1458

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