Questions · Page 2 of 2

[1 Mark Question Answer]

Question 601 Mark
Convert into decimal fractions $2 \frac{4}{5}$
Answer

$\begin{aligned} & 2 \frac{4}{5}=\frac{14}{5} \\ & =\frac{14}{5} \times \frac{2}{2}=\frac{28}{10}=2.8\end{aligned}$
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Question 611 Mark
Convert the following into fraction in their lowest term: 8.025
Answer
$8.025=\frac{8025}{1000}=\frac{8025 \div 25}{1000 \div 25}=\frac{321}{40}$
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Question 621 Mark
Convert the following into fraction in their lowest term: 0.085
Answer
$0.085=\frac{85}{1000}=\frac{85 \div 5}{1000 \div 5}=\frac{17}{200}$
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Question 631 Mark
Convert the following into fraction in their lowest term: 2.405
Answer
$2.405=\frac{2405}{1000}=\frac{2405 \div 5}{1000 \div 5}=\frac{481}{200} $
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Question 641 Mark
Convert the following into fraction in their lowest term: 0.65
Answer
$0.65=\frac{65}{100}=\frac{65 \div 5}{100 \div 5}=\frac{13}{20}$
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Question 651 Mark
Convert the following into fraction in their lowest term: 2.04
Answer
$2.04=\frac{204}{100}=\frac{204 \div 4}{100 \div 4}(\mathrm{HCF}$ of 204 and $100=4)$
$=\frac{51}{25}$
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Question 671 Mark
Convert the following into fraction in their lowest term: 3.75
Answer

$\begin{aligned} & 3.75=\frac{375}{100}=\frac{375 \div 25}{100 \div 25} \\ & (\mathrm{HCF} \text { of } 375 \text { and } 100=25) \\ & =\frac{15}{4}\end{aligned}$
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[1 Mark Question Answer] - Page 2 - MATHS STD 7 Questions - Vidyadip