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Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class11  >>  Sequence and Series
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Find three numbers in AP whose sum is 33 and the sum of whose squares is 395

$\begin{array}{1 1} 9,11,13 \\ 8,11,14 \\ 7,11,15 \\ 6,11,16 \end{array}$

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Answer : (c) 7,11,15
Explanation : Let the numbers in AP be a-d,a,a+d
sum of squares =395
Numbers in AP are 7,11,15 .
answered Jan 6, 2014 by yamini.v

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