MCQ
What per cent of $\frac{2}{9}\text{ is }\frac{1}{45}?$
- A$2.5 \%$
- B$5 \%$
- C$7.5 \%$
- ✓$10 \%$
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Class interval Age (in years)
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Number of Persons
|
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$15-20$
|
$12$
|
|
$20-25$
|
$20$
|
|
$25-30$
|
$42$
|
|
$30-35$
|
$20$
|
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$35-40$
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$6$
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