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Arithmetic Mean

Find the prod...

Question

Find the product of $11$ terms in G.P. whose $6^{t h}$ term is $5.$

A

6^{11}

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B

5^{11}

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C

5^{12}

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D

5^{10}

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Solution

The correct option is A $5^{11}$
Using the property
$a_{1} a_{11} = a_{2} a_{10} = a_{3} a_{9} = . . . = a_{s}^{2} = 25$
Hence product of terms $= 5^{11}$

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