Accenture Company Numerical Ability Sequence and Series

Ratio of first and the fourth term of a GP is 27:8. If the first term is 15, what is the third term
A)20/3 B)16/3 C)12 D)18

Read Solution (Total 1)

Option :A
15/15*r³= 27/8
r=2/3
Third term = a.r²=> 15*(2/3)²
20/3
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