Chapter 8 Comparing Quantities || Full Exercise 8.1 & Basic || Class 8 Maths RBSE CBSE NCERT

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।

[m-snipershootertropicana]

Hum vo hai jo paper ke ek din pahle padhe hai aur log hairan ho jate hai ki ache number kaise aate hai 💥💥💥💥💥💥💥💥💥💥💥💥💥💥💥SVSVM sahibabad

[Nardev_Baniwal]

Sar sach mein aap bahut achcha padhaate Hain main to aapki sach mein bahut badi fan hu❤❤❤❤❤😊😊😊😊😊🎉🎉🎉🎉

[divyabharathi]

Super sir I'm in 8th class from Telangana, Hyderabad, bhel, bhavans school nice sir

[memarbam]

Thank you so much sir tomorrow is my exams 😄😄

[prajwalkumar]

Sir you are teaching for tution student and you are recording this to post in you tube right???😎😎😎

[sumatimajumdar]

Sir Mai tuition jata hu vaha samaj nahi atàa par apka video dekhta hu to samaj attaa hai best teacher

[aryankindo]

Your teaching style is mind blowing sir in next year I am going in sose arms force territory school.

[Free.palestine]

Thankyou so much sir ❤️❤️❤️🥰💞💞💞💞💞💞💞💞💞💞💞💞

[devbhumi_uttrakhand_masi]

Best teacher in the world 🌎 ❤️ thank you sir

[luxmijaiswal]

Thank you sir aap bohot accha padhate ho🤗🤗❤️❤️

[rishi]

Plz put on speed 1.50 it really help to save the time

[anjalibarman]

Really sir aap bohot acha samjhte ho mujhe math's sab. bohot passand hai mai maths topper hun fir bhi mujhe kabhi kabhi maths Mai problem hoti hai our mujhe 8 chapter mai thoda dout tha per ab nahi hai or kal mera maths ka board hai aapne bohot acha samjhya thank you

[dharmishthasharma]

Sir aap bhot accha Padate ho mere saare doubts clear ho gaye m chahta hu ki aap 8th board m aane wale imp question ka ek video jaroor banae
Please its a humble request

[Kanu]

Thanku sir for explaining your all students we hope you teach us like that always my all doubts are cleared and tomorrow is my exam it really helps me and I belive I get good marks by ur methods... 😊 By the way thank you again sir thanku so much... ☺️💐
(edit) - after the test I was shock I literally get 75/80 in my exam... 😃💕

[MOTIVATIONAL]

You are very great sir 💯💯 Apke samne dusra koi nahi

[karthikpatil]

Your teaching helped me during my lockdown