LIC AAO Model Paper 4

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Question : 33 of 160

Marks: +1, -0

(0.0729+0.1)^3

+

(0.081×10)^5

1
2
4
7
None of these

Solution:

({0.0729}/{0.1})^3

/

(0.081×10)^5

×

(0.3×3)^5

=

(0.9)^{?+3}

⇒

(0.729)^3

/

(0.81)^5

×

(0.3×3)^5

=

(0.9)^{?+3}

/

(0.9^2)^5

×

(0.9)^5

=

(0.9)^{?+3}

⇒

(0.9)^4

=

(0.9)^{?+3}

⇒ ? + 3 = 4 ⇒ ? = 4 - 3 = 1

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