Exercise 5F
Question 1
1. What fraction of $1 \mathrm{~kg}$ is $650 \mathrm{~g}$ ?
2. Find the value of $1 \frac{2}{3}$ of 1 minute 15 seconds in seconds.
3. What is the cost of a dress, if $\frac{8}{9}$ of the cost of the dress equals $₹ 2400 ?$
4. Vibha's height is $4 \frac{4}{5}$ feet. She bought a yo-yo with a string that was $\frac{5}{8}$ of her height. How long was the string on Vibha's yo-yo?
5. Deepa makes handbags from $1 \frac{1}{5} \mathrm{~m}$ of fabric each. She has enough fabric to make $12 \frac{3}{4}$ handbags. What is the least amount of fabric that Deepa should have?
6. Menka and Shalu ran a 100 metre race. Menka took $18 \frac{1}{5}$ seconds and Shalu took $21 \frac{3}{4}$ seconds. How much longer time did Shalu take?
7. Mohan did $\frac{1}{2}$ of the work on Monday and $\frac{1}{3}$ of the work on Tuesday. How much work will he have to do on Wednesday to complete the remaining work?
8. Archana practices her violin $7 \frac{1}{2}$ hours each week. If she practices $1 \frac{1}{4}$ hours each day, how many days does she practice each week?
9. In a library, $\frac{1}{5}$ are Maths books, $\frac{1}{8}$ are Science books, $\frac{1}{12}$ are Hindi books and the rest are Evs books. If the number of EVS books is 142, find the total number of books in the library.
10. Raman works for $6 \frac{1}{2}$ hours a day. If he works for $\frac{2}{5}$ of the total time in the morning, for how many hours is he working in the afternoon?
Multiple Choice Questions (MCQs)
Tick (✔) the correct option.
11. Vinita spent $6 \frac{3}{5}$ hours making ceramic potteries. During that time, she took a $\frac{1}{2}$ hour break and another $1 \frac{1}{4}$ hour break for lunch. How many total hours did Vinita spend on the pottery.
(a) $5 \frac{17}{20}$ hours
(b) $4 \frac{17}{20}$ hours
(c) $7 \frac{7}{20}$ hours
(d) $4 \frac{3}{20}$ hours
12. Mr Singh has a board that is $12 \frac{3}{5}$ feet long. If he builds steps that are $3 \frac{1}{4}$ feet across, how many steps can he make with the board?
(a) 3
(b) 4
(c) 2
(d) 5
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