LIC AAO 22 Mar 2015 Paper

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Question : 46 of 160

Marks: +1, -0

24 .

98^2

×

{16.02^2}/(7.98×15.04)

× 38 . 93 = 130 ×

?^2

25
45
40
30
20

Solution:

{25^2×16^2}/{8×15}

× 39 = 130 ×

?^2

⇒

{625×256}/{8×15}

× 39 = 130 ×

?^2

⇒ 52000 = 130 ×

?^2

⇒

?^2

=

{52000}/{130}

= 400
⇒ ? =

√{400}

= 20

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