Introduction Exercise 8.1 Chapter 8 Comparing Quantities | Class 8 Maths RBSE CBSE NCERT

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EXERCISE 8.1
1. Find the ratio of the following.
(a) Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.
(b) 5 m to 10 km
(c) 50 paise to Rs 5
2. Convert the following ratios to percentages.
(a) 3 : 4 (b) 2 : 3
3. 72% of 25 students are good in mathematics. How many are not good in mathematics?
4. A football team won 10 matches out of the total number of matches they played. If their win percentage was 40, then how many matches did they play in all?
5. If Chameli had Rs 600 left after spending 75% of her money, how much did she have in the beginning?
6. If 60% people in a city like cricket, 30% like football and the remaining like other games, then what per cent of the people like other games? If the total number of people are 50 lakh, find the exact number who like each type of game.
निष्कासन 8.1
1. निम्नलिखित का अनुपात ज्ञात कीजिए।
(ए) साइकिल की गति 15 किमी प्रति घंटा और स्कूटर की गति 30 किमी प्रति घंटा।
(b) 5 मीटर से 10 किमी
(c) 50 पैसे से 5 रु
2. निम्न अनुपातों को प्रतिशत में बदलें।
(a) 3: 4 (b) 2: 3
3. गणित में 25 में से 72% छात्र अच्छे हैं। गणित में कितने अच्छे नहीं हैं?
4. एक फुटबॉल टीम ने जितने भी मैच खेले उनमें से 10 मैच जीते। यदि उनकी जीत का प्रतिशत 40 था, तो उन्होंने सभी में कितने मैच खेले?
5. अगर चमेली के पास 75% पैसा खर्च करने के बाद 600 रुपये बचे थे, तो शुरुआत में उसके पास कितना था?
6. यदि क्रिकेट जैसे शहर में 60% लोग, फुटबॉल की तरह 30% और अन्य खेलों की तरह शेष हैं, तो अन्य खेलों की तरह कितने प्रतिशत लोग हैं? यदि लोगों की कुल संख्या 50 लाख है, तो सटीक संख्या खोजें जो प्रत्येक प्रकार के खेल को पसंद करते हैं।

[Gamingmineyt]

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[HimelTripura-th]

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[SavitaDevi-qn]

Thanks sir me pass ho gay maths ka exam ma

[ranbirstudio]

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[kalusingh]

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[dakshdarshcooldudes]

sir dobout hai maan lo ki Q4 MEIN lose matches bhi nahi diye aur winning matches bhi nahi diye hai bas lose matches ki percentage di hai to vo kaise solve karenge

[kwcwyiy]

Any one who are watch this video before exam 😅☠️

[AdarshKarmali-ct]

Sir you are interested in mathematics education