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JAMB Mathematics 2021 Paper
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© africaexams.com
Question : 7
Total: 40
The ratio of the length of two similar rectangular blocks is 2 : 3. If the volume of the larger block is 351cm
3
^{3}
3
, then the volume of the other block is?
234.00 cm
3
526.50 cm
3
166.00 cm
3
687cm
3
Validate
Solution:
Let x represent total vol. 2 : 3 = 2 + 3 = 5
3
5
\frac{3}{5}
5
3
x = 351
x =
351
×
5
3
\frac{351 \times 5}{3}
3
351
×
5
= 585
Volume of smaller block =
2
5
\frac{2}{5}
5
2
x 585
= 234.00cm
3
^{3}
3
© africaexams.com
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