These NCERT Solutions for Class 6 Maths Chapter 8 Decimals Ex 8.6 Questions and Answers are prepared by our highly skilled subject experts.
NCERT Solutions for Class 6 Maths Chapter 8 Decimals Ex 8.6
Question 1.
Subtract:
(a) ₹ 18.25 from ₹ 20.75
(b) 202.54 m from 250
(c) ₹ 5.36 from ₹ 8.40
(d) 2.051 km from 5.206 km
(e) 0.314 kg from 2.107 kg
Answer:
(a) 20.75 – 18.25 = ₹ 2.50
(b) 250 – 202.54 = 47.46 m
(c) 8.40 – 5.36 = ₹ 3.04
(d) 5.206 – 2.051 = 3.155 km
(e) 2.107 – 0.314 = 1.793
Question 2.
Find the value of:
Answer:
(a) 9.756 – 6.28 = 3.476
(b) 21.05 – 15.27 = 5.78
(c) 18.5 – 6.79 = 11.71
(d) 11.6 – 9.847 = 1.753
Question 3.
Raju bought a book of ₹ 35.65. He gave ₹ 50 to the shopkeeper. How much money did he get back from the shopkeeper?
Answer:
Total amount given to shopkeeper = ₹ 50
Cost of book = ₹ 35.65
Amount left = ₹ 50.00 – ₹ 35.65
= Rs 14.35
Therefore, Raju got back ₹ 14.35 from the shopkeeper.
Question 4.
Rani had ₹ 18.50. She bought one ice¬cream for ₹ 11.75. How much money does she have now?
Answer:
Total money = ₹ 18.50
Cost of Ice-cream = ₹ 11.75
Amount left = ₹ 18.50 – ₹ 11.75 = ₹ 6.75
Therefore, Rani has ₹ 6.75 now.
Question 5.
Tina had 20 m 5 cm long cloth. She cuts 4 m 50 cm length of cloth from this for making a curtain. How much cloth is left with her?
Answer:
Total length of cloth = 20 m 5 cm = 20.05 m
Length of cloth used = 4 m 50 cm = 4.50 m
Remaining cloth = 20.05 m – 4.50 m = 15.55 m
Therefore, 15.55 m of cloth is left with Tina.
Question 6.
Namita travels 20 km 50 m every day. Out of this she travels 10 km 200 m by bus and the rest by auto. How much distance does she travel by auto?
Answer:
Total distance travel = 20 km 50 m = 20.050 km
Distance travelled by bus
= 10 km 200 m = 10.200 km
Distance travelled by auto
= 20.050 – 10.200 = 9.850 km
Therefore, Namita travels 9.850 km by auto.
Question 7.
Aakash bought vegetables weighing 10 kg. Out of this 3 kg 500 g in onions, 2 kg 75 g is tomatoes and the rest is potatoes. What is the weight of the potatoes?
Answer:
Weight of onions = 3 kg 500 g = 3.500 kg
Weight of tomatoes = 2 kg 75 g = 2.075 kg
Total weight of onions and tomatoes = 3.500 + 2.075 = 5.575 kg
Therefore, weight of potatoes = 10.000 – 5.575 = 4.425 kg
Thus, the weight of potatoes is 4.425 kg.