Exercise 8.1 Exercise 8.2 Exercise 8.3 Exercise 8.4 Exercise 8.5 Exercise 8.6 |

**NCERT Answers for Class 6 Maths Chapter 8 Decimals Exercise 8.6**

**Page 179**

**Ex 8.6 Class 6 Maths Question 1. Subtract :
(a) ₹ 18.25 from ₹ 20.75
(b) 202.54 m from 250 m
(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 – ₹ 18.75

20.75

– 18.25

_______

2.50

_______

₹ 2.50

(b) 250 m – 202.54 m

250.00

– 202.54

_________

47.46

_________

47.46 m

(c) ₹ 8.40 – ₹ 5.36

8.40

– 5.36

______

3.04

______

₹ 3.04

(d) 5.206 km – 2.051 km

5.206

– 2.051

________

3.155

________

3.155 km

(e) 2.107 kg – 0.314 kg

2.107

– 0.314

_______

1.793

_______

1.793 kg

**Ex 8.6 Class 6 Maths 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) **9.756

– 6.280

______

3.476

______

(b) 21.05

– 15.27

________

5.78

________

(c) 18.50

– 6.79

_______

11.71

_______

(d) 11.600

– 9.847

_________

1.753

__________

**Ex 8.6 Class 6 Maths Question 3. Raju bought a book for ` 35.65. He gave ` 50 to the shopkeeper. How much money did he get back from the shopkeeper?**

**Answer**

Money given to shopkeeper = ₹ 50.00

Price of the book = ₹ 35.65

Money that Raju will get back from the shopkeeper will be the difference of these two

Therefore Money left with Raju is

50.00

– 35.65

________

14.35

________

Hence, money left with Raju is ₹ 14.35

**Ex 8.6 Class 6 Maths Question 4. Rani had ₹ 18.50. She bought one ice-cream for ₹ 11.75. How much money does she have now?**

**Answer**

Money with Rani = ₹ 18.50

Price of an ice cream = ₹ 11.75

Now money left with Rani will be the difference of these two

Hence, money left with her is

18.50

– 11.75

_______

6.75

_______

Therefore Money left with Rani is ₹ 6.75

**Ex 8.6 Class 6 Maths 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**

Length of cloth = 20 m 5 cm

= 20.05 m

Length of cloth to make a curtain = 4 m 50 cm

= 4.50 m

Length of cloth left with Tina will be the difference of these two

Thus length of cloth left with her is

20.05

– 4.50

________

15.55

________

Therefore The length of the remaining cloth left with Tina is 15.55 m

**Ex 8.6 Class 6 Maths 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 travelled by Namita = 20 km 50 m

= 20.050 km

Distance travelled by bus = 10 km 200 m

= 10.200 km

Distance travelled by auto = Total distance travelled – Distance travelled by bus

Therefore Distance to be travelled by auto is

20.050

– 10.200

_______

9.850

_______

Therefore Namita travelled 9.850 km by auto

**Ex 8.6 Class 6 Maths 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 Aakash bought = 10.000 kg

Weight 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)

3.500

+ 2.075

_______

5.575

_______

10.000

– 5.575

_______

4.425

_______

Therefore 4.425 kg is the weight of the potatoes

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