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WAEC Mathematics 2011 Paper
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© africaexams.com
Question : 32
Total: 47
John pours 96 litres of red oil into a rectangular container with length 220cm and breadth 40cm. Calculate, correct to the nearest cm, the height of the oil in the container
11cm
18cm
21cm
34cm
Validate
Solution:
volume of rectangular container = L x B x H
1 litre = 1000cm
3
96 litres =
1000
c
m
3
1
l
i
t
r
e
s
x 96 litres
volume = 96000cm
3
96000 = 220 x 40 x 11
96--- = 8800H
H =
96000
8800
= 10.97cm
= 11cm
© africaexams.com
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