NCHMCT JEE 2020 Question Paper with solutions for online practice

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Question : 62 of 200

Marks: +1, -0

The value of

√{40+√{9 √{81}}}

9
7
11
$√{111}$

Solution:

Expression

\;\; =√{40+√{9 √{81}}}

\;\; =√{40+√{9 × 9}}

\;\; =√{40+9}

\;\; =√{49}=7

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