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Home » NCERT Solutions » Class 6 » Maths » Chapter 8 Decimals » Exercise 8.5

Exercise 8.5

Last Updated on April 5, 2023 By Mrs Shilpi Nagpal

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 8.5

Page 179

Ex 8.5 Class 6 Maths Question 1. 1. Find the sum in each of the following :
(a) 0.007 + 8.5 + 30.08
(b) 15 + 0.632 + 13.8
(c) 27.076 + 0.55 + 0.004
(d) 25.65 + 9.005 + 3.7
(e) 0.75 + 10.425 + 2
(f) 280.69 + 25.2 + 38

Answer

(a) Sum of 0.007 + 8.5 + 30.08

0.007

8.500

+ 30.080
_______
38.587
_______

(b) Sum of 15 + 0.632 + 13.8

15.000

0.632

+ 13.800
_______
29.432
_______

(c) Sum of 27.076 + 0.55 + 0.004

27.076

0.550

+ 0.004
________
27.630
________

(d) Sum of 25.65 + 9.005 + 3.7

25.650

9.005

+ 3.700
_______
38.355
_______

(e) Sum of 0.75 + 10.425 + 2

0.750

10.425

+ 2.000
_______
13.175
_______

(f) Sum of 280.69 + 25.2 + 38

280.69

25.20

+ 38.00
________
343.89
________

Ex 8.5 Class 6 Maths Question 2. Rashid spent ₹ 35.75 for Maths book and ₹ 32.60 for Science book. Find the total amount spent by Rashid.

Answer

Cost of Maths book = ₹ 35.75

Cost of Science book = ₹ 32.60

Total amount spent by Rashid is

35.75

+ 32.60
_______
68.35
_______

Therefore Total amount of money spent by Rashid is ₹ 68.35

Ex 8.5 Class 6 Maths Question 3. Radhika’s mother gave her ₹ 10.50 and her father gave her ₹ 15.80, find the total amount given to Radhika by the parents.

Answer

Amount given by Radhika’s mother = ₹ 10.50

Amount given by Radhika’s father = ₹ 15.80

Total amount given by her parents

10.50

+ 15.80
________
26.30
________

Therefore Total amount of money given by Radhika’s parents is ₹ 26.30

Ex 8.5 Class 6 Maths Question 4. Nasreen bought 3 m 20 cm cloth for her shirt and 2 m 5 cm cloth for her trouser. Find the total length of cloth bought by her.

Answer

Cloth of shirt = 3 m 20 cm

Cloth of trouser = 2 m 5 cm

Total length of cloth is

3.20

+ 2.05
________
5.25
_________

Therefore Total length of cloth bought by Nasreen is 5.25 m

Ex 8.5 Class 6 Maths Question 5. Naresh walked 2 km 35 m in the morning and 1 km 7 m in the evening. How much distance did he walk in all?

Answer

Distance walked by Naresh in the morning = 2 km 35 m

= [(2 + 35 /1000)] km

= 2.035 km

Distance walked by him in the evening = 1 km 7 m

= [(1 + 7 / 1000)] km

= 1.007 km

Total distance walked by Naresh is

2.035

+ 1.007
_______
3.042
________

Therefore Total distance walked by Naresh is 3.042 km

Ex 8.5 Class 6 Maths Question 6. Sunita travelled 15 km 268 m by bus, 7 km 7 m by car and 500 m on foot in order to reach her school. How far is her school from her residence?

Answer

Distance travelled by bus = 15 km 268 m

= [(15 + 268 / 1000)] km

= 15.268 km

Distance travelled by car = 7 km 7 m

= [(7 + 7 / 1000)] km

= 7.007 km

Distance walked by Sunita = 500 m

= 500 / 1000

= 0.500 km

Total distance of school from her residence is

15.268

7.007

+ 0.500
________
22.775
________

Therefore Total distance of the school from her residence is 22.775 km

Ex 8.5 Class 6 Maths Question 7. Ravi purchased 5 kg 400 g rice, 2 kg 20 g sugar and 10 kg 850g flour. Find the total weight of his purchases.

Answer

Weight of rice = 5 kg 400 g

= [(5 + 400 / 1000)] kg

= 5.400 kg

Weight of sugar = 2 kg 20 g

= [(2 + 20 / 1000)] kg

= 2.020 kg

Weight of flour = 10 kg 850 g

= [(10 + 850 / 1000)] kg

= 10.850 kg

Total weight of his purchases is

5.400

2.020

+ 10.850
________
18.270
________

Therefore Total weight of his purchases is 18.270 kg

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Filed Under: Chapter 8 Decimals, Class 6, Maths, NCERT Solutions

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