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Volumes Practice Test 1
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© examsnet.com
Question : 6
Total: 40
The edge of the cuboid are in the ratio of 1 : 2 : 3 and its surface area is 88
c
m
2
. What will be the volume of the cuboid?
12
c
m
3
24
c
m
3
36
c
m
3
48
c
m
3
Validate
Solution:
👈: Video Solution
Let sides of cuboid are x, 2x and 3x cm respectively; then
2 (x × 2x + 2x × 3x + 3x × x) = 88
⇒
22
x
2
= 88
⇒
x
2
= 4
⇒ x = 2
Since its, sides are 2cm, 4 cm and 6 cm respectively;
Hence, volume = 2 × 4 × 6 = 48
c
m
3
© examsnet.com
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