Exercise 8.6
Page No 181:
Question 1:
Subtract:(a) Rs 18.25 from Rs 20.75
(b) 202.54 m from 250 m
(c) Rs 5.36 from Rs 8.40
(d) 2.051 km from 5.206 km
(e) 0.314 kg from 2.107 kg
Answer:
(a) Rs 20.75 − Rs 18.25
(b) 250 m − 202.54 m
(c) Rs 8.40 − Rs 5.36
(d) 5.206 km − 2.051 km
(e) 2.107 kg − 0.314 kg
Question 2:
Find the value of:(a) 9.756 − 6.28
(b) 21.05 − 15.27
(c) 18.5 − 6.79
(d) 11.6 − 9.847
Answer:
(a)
(b)
(c)
(d)
Page No 182:
Question 3:
Raju bought a book for Rs 35.65. He gave Rs 50 to the shopkeeper. How much money did he get back from the shopkeeper?Answer:
Money that Raju will get back will be the difference of these two.
Hence, money that Raju will get back is
Therefore, he will get back Rs 14.35.
Question 4:
Rani had Rs 18.50. She bought one ice-cream for Rs 11.75. How much money does she have now?Answer:
The money left with Rani will be the difference of these two.
Hence, the money left is
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:
The length of the cloth left with her will be the difference of these two.
Hence, the length of the cloth left with her is
Therefore, 15.55 m cloth will be remaining.
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:
Question 7:
Aakash bought vegetables weighing 10 kg. Out of this, 3 kg 500 g is onions, 2 kg 75 g is tomatoes and the rest is potatoes. What is the weight of the potatoes?Answer:
Total weight of vegetables bought = 10.000 kgWeight of onions = 3 kg 500 g = 3.500 kg
Weight of tomatoes = 2 kg 75 g = 2.075 kg
Weight of potatoes = Total weight of vegetables bought − (Weight of onions + Weight of tomatoes)
= 10.000 − (3.500 + 2.075)
H
ence, the weight of the potatoes was 4.425 kg.
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