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AMCAT Written Test Qs.(Quantitative Aptitude) :: Area - Discussion

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Choose the correct option.

A closed wooden box of thickness 0.5 cm and length 21 cm, width 11 cm, and height 6 cm, is painted on the inside. The cost of painting is Rs 70. What is the rate of painting in rupees per sq. cm?

A0.7

B0.5

C0.1

D0.2

Answer: Option (Login/Signup)

Show Explanation

Since the box is thick of 0.5cm then we will have to find the inner dimensions of the box which is painted.



Length= 21-0.5*2=20, Width= 11-0.5*2=10 , Height= 6-0.5*2= 5



Total surface area:= 20*10*5=1000cm2



1000cm2 costs 70rs then cost per square cm will be 0.07Rs.

Asked In :: Accenture AMCAT

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