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Question

For a G.P, first term = 5, common ratio = 3. The fourth term of the G.P is 135.


A

135

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B
140
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C
125
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D
133
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Solution

The correct option is A

135


a = 5

r = 3

t4 = a r41

= 5 × 33

=27×5

= 135


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