LIC AAO 22 Mar 2015 Paper

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Question : 45 of 160

Marks: +1, -0

2775 ×

{160}/√{(?)}

= 5550

6400
5625
900
1600
2025

Solution:

{2775×160}/√?

= 5550
⇒

√?

=

{2775×160}/{5550}

= 80
⇒

√?

=

{2775×160}/{5550}

= 80
⇒ ? = 80 × 80 = 6400

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