TS ICET 2017 Question Paper with Solutions for online practice

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Question : 87 of 200

Marks: +1, -0

If

a _ { 1 } , a _ { 2 } , a _ { 3 } , a _ { 4 }

is the descending order of the elements in the set

\{5/7,3/4,9/11,11/14\}

, then the

$59/77$
$69/88$
$3/4$
$41/56$

Solution:

5/7=0.71,3/4=0.75,9/11=0.82,11/14=0.79

∴a_1=9/11

and

a_4=5/7

Required A.M.

=1/2[9/11+5/7]=1/2[{63+55}/77]

=1/2×118/77=59/77

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