Progression Practice Test 1

Question : 21 of 23

Marks: +1, -0

A geometric progression has the first term as 2 and the common ratio as 3. What is the 5th term of this series?

Solution:

a = 3, r = 3

t_n = ar^{n-1}

t_5 = 2 . 3^{5-1} = 2 . 3^4

t_5 = 162

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