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3. Simplify the following. 19. Abha drove her scooty for various errands during the day. Find the total distance travelled by her if she
a. 7.86 - 6.23 + 11.2 b. 18.369 + 2.1 - 4.6 c. 25 + 15.261 - 28.02 drove 2.85 km, 3.15 km, 6.72 km, 4.53 km and 7.00 km.
d. 145.09 - 45.91 + 7.683 e.13.31 + 133.1 - 33.111 20. Add or subtract these numbers as directed
a.16.533 + 13.325 b. 10.999 - 9.101 c. 39.535 + 12.565
4. What should be added to 61.55 to get 100?
5. What should be added to 24.67 to get the greatest two-digit number? 21. Convert the following into fractions.
6. Subtract the sum of 0.0018 and 997.35 from 1000.1. a. 0.5 b. 0.9 c. 0.35 d. 0.03 e. 0.97
7. Radhika spent <46.38 on soap, <52.15 on shampoo and <195.62 on medicines. How much money
will she get back if she gave the shopkeeper a <500 note? 22. Convert the following into decimals.
8. The temperature in Delhi over the weekend was 39.2° C and in Mumbai was 18.3° C . Which city 2 6 49 4 31
was hotter during the weekend and by how much? (a) (b) (c) (d) (e)
9. The tallest girl in the class is 155.6 cm tall and the shortest girl is 149 .8 cm tall. What is the 100 1000 10 25 100
difference between their heights?
10.An oil tanker has a capacity of 750 litres. Three containers of 100. 75 litres, 250.35 litres and 325.15
litres are filled with the oil from the oil tanker. How much oil is left in the tanker?
11.Ranbir purchased 15.500 kg of rice, 26.750 kg of flour and 3.250 kg of sugar. Did he carry 50 kg of
weight or less? If less, by how much was it less?
12. Write in decimal form-four hundred twenty-two hundredths.
13.Express as a decimal quantity..

14. Write a fraction with numerator (N) and denominator (D) as given below.
a. N = 3, D = 5 b. N = 5, D = 9 c. N = 13, D = 7 d. N = 15,
D = 4
e. N = 7, D = 11
Classify each of them as proper or improper fractions.
15. Find the value of the following and give the answer as directed.
7 11 (answer in the lowest form)
(a) 9 + 12

32 (answer as a mixed fraction)
1
(b) 3 + 4 6
(answer in the lowest form)
(c) 13 - 15
14 21
3 1 (answer as a mixed fraction)
(d) 10 - 4
7 4
1 1
1
(e) 10 - 5 = 1 (answer as a mixed fraction)
2 4 2

16. Sonu got 100 from his grandmother. He bought a pen for 5.50, a notebook for 16.75 and a geometry box for
n5.25. How much money is left with Sonu?

17. Manpreet filled 20 litres of petrol in his car in the morning. During the day he used 16 i litres of petrol. How
much petrol was left in the tank in the evening?

18. Arrange the fractions¾,ƒj: in ascending order and find the difference between the largest and the smallest
fraction.