CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

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:



Your Answer
A

90 cm

Correct Answer
B

1 dm

Your Answer
C

1 m

Your Answer
D

0.9 m


Solution

The correct option is B

1 dm


Let the thickness of the bottom b `x' cm

Then, [(330 -- 10) × (260 -- 10) × (110 - x) = 8000 ×1000

320 × 250 × (110 -- x) = 8000 × 1000 (110 -- x) = 8000×1000320×250 = 100

x = 10 cm = 1 dm

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
View More


People also searched for
View More



footer-image