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Updated By SaraNextGen
On March 11, 2024, 11:35 AM

Exercise 8.5 - Chapter 8 Decimals class 6 ncert solutions Maths - SaraNextGen [2024]


Question 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) 0.007 + 8.5 + 30.08

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2332/Exercise%20-%208_html_m2bfcde8f.gif

(b) 15 + 0.632 + 13.8

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2332/Exercise%20-%208_html_69adefd9.gif

(c) 27.076 + 0.55 + 0.004

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2332/Exercise%20-%208_html_492cf00c.gif

(d) 25.65 + 9.005 + 3.7

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2332/Exercise%20-%208_html_m54021a62.gif

(e) 0.75 + 10.425 + 2

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2332/Exercise%20-%208_html_m60671f78.gif

(f) 280.69 + 25.2 + 38

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2332/Exercise%20-%208_html_4ee7942e.gif

Question 2:

Rashid spent Rs 35.75 for Maths book and Rs 32.60 for Science book. Find the total amount spent by Rashid.

Answer:

Price of Maths book = Rs. 35.75

Price of Science book = Rs. 32.60

Total amount spent by Rashid is

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2339/Exercise%20-%208_html_4080ee6.gif

Therefore, the amount spent by Rashid is Rs 68.35.

Question 3:

Radhika’s mother gave her Rs 10.50 and her father gave her Rs 15.80, find the total amount given to Radhika by the parents.

Answer:

Amount given by mother = Rs. 10.50

Amount given by mother = Rs. 15.80

Total amount given by parents is

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2343/Exercise%20-%208_html_m71d6fa51.gif

Therefore, the amount given by her parents is Rs 26.30.

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 for shirt = 3 m 20 cm

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2346/Exercise%20-%208_html_m696acefe.gif

Cloth for trouser = 2 m 5 cm

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2346/Exercise%20-%208_html_11fb53e8.gif

Total length of cloth is

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2346/Exercise%20-%208_html_3a8252ac.gif

Hence, the total length of cloth bought by her is 5.25 m.

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 in the morning = 2 km 35 m

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2351/Exercise%20-%208_html_m542fc9c2.gif

= 2.035 km

Distance walked in the evening = 1 km 7 m

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2351/Exercise%20-%208_html_m60f97cbd.gif

= 1.007 km

Total distance walked by him is

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2351/Exercise%20-%208_html_6c08f5aa.gif

Question 7:

Ravi purchased 5 kg 400 g rice, 2 kg 20 g sugar and 10 kg 850 g flour. Find the total weight of his purchases.

Answer:

Weight of rice = 5 kg 400 g =https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/8793/Exercise%20-%208_html_3140b9f6.gif

Weight of sugar = 2 kg 20 g =https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/8793/Exercise%20-%208_html_68f14282.gif

Weight of flour = 10 kg 850 g =https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/8793/Exercise%20-%208_html_5a5b8c8c.gif

Total weight of his purchases is

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/8793/Exercise%20-%208_html_2cd0ca1b.gif

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

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2354/Exercise%20-%208_html_54956a42.gif

= 15.268 km

Distance travelled by car = 7 km 7 m

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2354/Exercise%20-%208_html_3e594bc3.gif

= 7.007 km

Distance travelled on foot = 500 m

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2354/Exercise%20-%208_html_m5529489b.gif

= 0.500 km

Total distance of school from her residence is

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/8/2354/Exercise%20-%208_html_21b382f4.gif

Also Read : Exercise-8.6-Chapter-8-Decimals-class-6-ncert-solutions-Maths

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