Chapter 1 Rational Numbers || Exercise 1.1 || Class 8 Maths || RBSE CBSE NCERT

EXERCISE 1.1
1. Using appropriate properties find.
2. Write the additive inverse of each of the following.
3. Verify that – (– x) = x for.
4. Find the multiplicative inverse of the following.
5. Name the property under multiplication used in each of the following.
6. Multiply 6/13 by the reciprocal of 7/16
7. Tell what property allows you to compute? Why or why not?
10. Write.
(i) The rational number that does not have a reciprocal.
(ii) The rational numbers that are equal to their reciprocals.
(iii) The rational number that is equal to its negative.
11. Fill in the blanks.
(i) Zero has ________ reciprocal.
(ii) The numbers ________ and ________ are their own reciprocals
(iii) The reciprocal of – 5 is ________.
(iv) Reciprocal of 1/x, where x ≠ 0 is ________.
(v) The product of two rational numbers is always a _______.
(vi) The reciprocal of a positive rational number is ________.
अपवाद १.१
1. उपयुक्त गुणों का उपयोग करना।
2. निम्नलिखित में से प्रत्येक का योगात्मक व्युत्क्रम लिखिए।
3. सत्यापित करें कि - (- x) = x के लिए।
4. निम्नलिखित के गुणक व्युत्क्रम ज्ञात कीजिए।
5. निम्नलिखित में से प्रत्येक में प्रयुक्त गुणन के तहत संपत्ति का नाम बताइए।
6. 7/16 के पारस्परिक द्वारा 6/13 को गुणा करें
7. बताओ क्या संपत्ति आपको गणना करने की अनुमति देती है? क्यों या क्यों नहीं?
10. लिखो।
(i) वह परिमेय संख्या जिसमें पारस्परिक नहीं है।
(ii) तर्कसंगत संख्याएँ जो उनके पारस्परिक के बराबर हैं।
(iii) वह तर्कसंगत संख्या जो उसके ऋणात्मक के बराबर है।
11. रिक्त स्थान भरें।
(i) शून्य में ________ पारस्परिक है।
(ii) संख्या ________ और ________ अपने स्वयं के पारस्परिक हैं
(iii) - 5 का पारस्परिक ________ है।
(iv) 1 / x का पारस्परिक, जहां x 0 ________ है।
(v) दो परिमेय संख्याओं का गुणनफल हमेशा _______ होता है।
(vi) एक सकारात्मक परिमेय संख्या का पारस्परिक ________ है।

[MannKiGanit]

New Syllabus 2023-24 All Question Solution | class 8 Maths (in Eng)
class 8 Maths (in Eng)
class 8 Maths (in Eng)

[Royalgames]

Sir meri teacher khud blackboard par likh kar kah deti he copy me utro par hme kuch nahi samajh me ata par mujhe apka smjha hua samajh me aa raha hai thankyou sir ji👍👍🙏

[SureshKumar-cxxr]

बहुत अच्छा सर ऐसे पढ़ाई जो को बच्चों को

[mohdmustafa]

Thank you sir ...aapne kafi achha samjhaya 👌

[shikhagautam]

Me jaha padti hu waha mam ache se samjhati hi nii hai pr aap bahut ache se batate hai or explain krte hai . Thank you sir 😊😊

[mussa]

Sir kya explanation hai aapka ek bar me samaj aata hai👍👍

[uniyal]

Sir Jo aap samja rahe ho Uske liye tq so much kyu ki mujhe maths Achi Nahi lagti par aap jase samja rahe ho vo mujhe Acha laga tq so much sir

[jolly]

Which properties r used? Is the method u r using is correct?? In the question it is clearly mentioned to do by using properties

[nazirahmad]

Thanks srr muja aap kaa video dekh krr bhoat kuch samaj aaya 🙏

[nanykim]

But sir you didn't do this with commutative and distributive property. Please sir tell me can i use your type of formulae in exam ( q 1)

[sanjulatabarik]

Sir, your teaching style is excellent.please continue all the chapter

[nfggamingyt]

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[adityayadav]

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[priyanshimeena]

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[HYPER_DRAGON]

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[kantikatrangal]

Sir mere ko kuch smj nii aa rha tha but apne meri problem easy kr di thank you so much sir 🙂

[ajaysansarwal]

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[Manmohit]

Sir aap bout vadiya explain krde o mujhe too samajh lagg gayi aa

[nehabasfore]

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[jaianku]

Aap Math ke Legend Ho mujhe ek-ek cheese samajh aayi sir😯😯🙏🙏