Punjab State Board PSEB 6th Class Maths Book Solutions Chapter 6 Decimals Ex 6.4 Textbook Exercise Questions and Answers.
PSEB Solutions for Class 6 Maths Chapter 6 Decimals Ex 6.4
1. Solve the following:
Question (i)
12.15 + 4.87
Solution:
We have 12.15 + 4.87
Hence 12.15 + 4.87 = 17.02
Question (ii)
23.5 + 13.47
Solution:
We have 23.5 + 13.47
Hence 23.5 + 13.47 = 36.97
Question (iii)
12.56 + 6.234
Solution:
We have 12.56 + 6.234
Hence 12.56 + 6.234 = 18.794
Question (iv)
24.25 – 13.12
Solution:
We have 24.25 – 13.12
Hence 24.25 – 13.12 = 11.13
Question (v)
18.8 – 4.26
Solution:
We have 18.8 – 4.26
Hence 18.8 – 4.26 = 14.54
Question (vi)
42.34 – 5.256
Solution:
We have 42.34 – 5.256
Hence 42.34 – 5.256 = 37.084
Question (vii)
45.4 + 13.25 + 28.68
Solution:
We have 45.4 + 13.25 + 28.68
Hence 45.4 + 13.25 + 28.68 = 87.33
Question (viii)
52.9 + 26.893 + 13.62
Solution:
We have 52.9 + 26.893 + 13.62
Hence 52.9 + 26.893 + 13.62 = 93.413
Question (ix)
42 – 27.563
Solution:
We have 42 – 27.563
Hence 42 – 27.563 = 14.437
Question (x)
64.26 – 43.589 + 13.42
Solution:
We have 64.26 – 43.589 + 13.42
Hence 64.26 – 43.589 + 13.42
= 34.091
Question (xi)
18.3 + 2.56 – 11.643
Solution:
We have 18.3 + 2.56 – 11.643
Hence 18.3 + 2.56 – 11.643
= 9.217
Question (xii)
66.5 – 13.49 – 29.712.
Solution:
We have 66.5 – 13.49 – 29.712
= 66.5 – (13.49 + 29.712)
= 66.5 – 43.202 = 23.298
2.
Question (i)
Subtract 21.92 from 32.683
Solution:
Question (ii)
Subtract 14.812 from 23.
Solution:
Subtract 14.812 from 23.
3. What should be added to 3.412 to get 7?
Solution:
Let x should be added to 3.412 to get 7
3.412 + x = 7
x = 7 – 3.412
= 3.588
Hence, 3.588 should be added to 3.412 to get 7
4. Khan spent ₹ 63.25 for Maths book and ₹ 48.99 for English book. Find the total amount spent by Khan.
Solution:
Amount spent for Maths book = ₹ 63.25
Amount spent for English book = 48.99
Total amount spent by khan = ₹ 112.24
5. Samar walked 3 km 450 m in morning and 2 km 585 m in evening. How much distance did he walk in all ?
Solution:
Distance walked in morning = 3 km 450 m
Distance walked in evening = 2 km 585 m
Distance Samar Walked in all = 6 km 035 m
6. Sheetal has ₹ 190.50 in her pocket. She buys a school bag for ₹ 123.99. How much money is left with her now?
Solution:
Total amount Sheetal has = ₹ 190.50
Amount spent on school bag = – ₹ 123.99
Money left with her = ₹ 66.51
7. A piece of 18.56 m long ribbon is cut into three pieces. If the length of two pieces are 8.75 m and 3.125 m respectively. Find the length of the third piece.
Solution:
Total length of ribbon = 18.56 m
Length of two pieces = 8.75 m + 3.125 m
Length of the third piece = 18.56 m – 11.875 m
= 6.685 m
8. Veerpal bought vegetables weighing 20 kg. Out of this 6 kg 750 g are onions, 5 kg 25 g are potatoes and rest are tomatoes. What is the weight of the tomatoes?
Solution:
Total weight of vegetables
Veerpal bought = 20 kg
Weight of onions = 6 kg 750 g = 6.750 kg
Weight of potatoes = 5 kg 25 g = 5.025 kg
Weight of onions and potatoes = 11.775 kg
Total weight of vegetable = 20.000 kg
Weight of onions and potatoes = -11.775 kg
Weight of tomatoes = 8.225 kg
9. Ashish’s school is 28 km far from his house. He covers 14 km 250 m by bus, 12 km 650 m by car and the remaining distance by foot. How much distance does he cover on foot?
Solution:
Distance covered by bus 14 km 250 m = 14.250 km
Distance covered by car 12 km 650 m = 12.650 km
Distance covered by bus and car = 26.900 km
Total distance of school form Ashish house = 28 km
Distance covered by bus and car = 26.900 km
Distance covered on foot = 28 km – 26.900 km
= 1 km 100 m
