Download Aptitude Crack
img not found img not found

Volume and Surface Area

Q1:

A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is:

A 90 cm

B 1 dm

C 1 m

D 1.1 cm

ANS:B - 1 dm

Let the thickness of the bottom be x cm. Then, [(330 - 10) x (260 - 10) x (110 - x)] = 8000 x 1000  320 x 250 x (110 - x) = 8000 x 1000

 (110 - x) = 8000 x 1000 = 100
320 x 250
 x = 10 cm = 1 dm.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.