RRB RPF RPSF SI and CONS Model Papers 8 with solutions

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Question : 64 of 120

Marks: +1, -0

If

√{x} ÷√{441}=0.02

then value of

x

is :

1.64
2.64
1.764
0.1764

Solution:

(4)

√{x} ÷√{441}=0.02

{√{x}}/{\√{441}}= {2}/{100}

√{x}= {2 × 21}/{100}

{x}= ( {42}/{100} )^{2}

= {1764}/{10000}=0.1764

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