Page 153 - Start Up Mathematics_5
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2. Find the value of the given quantities.
(a) 20% of 980 g (b) 35% of 215 m (c) 41% of 150 cm
(d) 5% of 6 L (e) 50% of 725 g (f) 92% of ` 2,540
3. In a flower vase there are 4 lilies, 4 pink roses, 5 carnations and 3 dahlias. What
percentage of pink roses are there in the flower vase?
4. There are 45 students in a class out of which 28 are boys. What percentage of girls
are there in the class?
5. In an orchard, there are 12 apple trees, 11 guava trees and 8 banana trees. What
percentage of apple trees are there in the orchard?
6. There are 180 working days in the first term of a school. If Kanika has 75% attendance,
how many days did Kanika attend the school in the first term?
LET’S EVALUATE
1. Convert the following into percentage.
(a) 3 (b) 5 (c) 0.26
4 12
(d) 0.94 (e) 9 (f) 2.043
8
2. Convert the following percentages to fractions.
(a) 74% (b) 126% (c) 315%
(d) 92% (e) 125% (f) 3%
3. Convert the following percentages to decimals.
(a) 92% (b) 63% (c) 179%
(d) 7% (e) 56% (f) 289%
4. What is 35% of ` 240 and 25% of ` 380? Which amount is bigger and by how much?
5. In a skating competition, 15 out of 20 registered participants participated in the
competition. What percentage did not participate?
6. In a class, there are 18 students in house A, 10 in house B, 12 in house C and 10 in
house D. What percentage of students are there in house C?
7. Two friends Tina and Meena had ` 275 and ` 350 respectively. Tina spent 20% of her
money while Meena spent 22% of her money. Who out of the two spent more?
8. What percent of 580 is 232?
145