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Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class11  >>  Sequence and Series
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If the harmonic mean H and geometric mean G of two positive numbers a and b are in ratio 3:5, then a and b are in the ratio

$\begin{array}{1 1} 1:9 \\ 1:4 \\ 3:5 \\ 1:3 \end{array}$

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Answer : (a) 1:9
Explanation :$ H=\large\frac{2ab}{a+b}$
answered Jan 2, 2014 by yamini.v
edited Jan 24, 2014

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