Skip to main content

Rational Numbers Ex. 1.2

Rational Numbers Class 8 ICSE Questions along with Answers :- (So these are useful for practice irrespective of the book that is followed in your school)(Exercises from ML Agarwal book)

Question 1.
Subtract:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q1.1

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q1.2

ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q1.3
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q1.4

Question 2.
Sum of two rational numbers is 35. If one of them is 27, find the other.
Solution:
Sum of two rational numbers = 35
One number = 27
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q2.1

Question 3.
What rational number should be added to 511 to get 78?
Solution:
Sum of two numbers = 78
One number = 511
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q3.1

Question 4.
What rational number should be subtracted from -435 to get -312 ?
Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q4.1

Question 5.
Subtract the sum of 57 and 83 from the sum of 52 and 1112.
Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q5.1
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q5.2

Question 6.
If x = 47 and y = 25, then verify that x – y ≠ y – x.
Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q6.1

Question 7.
If x = 49, y = 712 and z = 23, then verify that x – (y – z) ≠ (x – y) – z
Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q7.1
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q7.2

Question 8.
Which of the following statement is true/fasle?
(i) 2345 is not a rational number.
(ii) 57 is the additive inverse of 57.
(iii) 0 is the additive inverse of its own.
(iv) Commutative property holds for subtraction of rational numbers.
(v) Associative property does not hold for subtraction of rational numbers.
(vi) 0 is the identity element for subtraction of rational numbers.
Solution:
(i) 2345 is not a rational number. (False)
Correct:
101215 = 215
It is a rational number.
(ii) 57 is the additive inverse of 57. (True)
(iii) 0 is the additive inverse of its own. (True)
(iv) Commutative property holds for subtraction of rational numbers. (False)
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q8.1
(v) Associative property does not hold for subtraction of rational numbers. (True)
(vi) 0 is the identity element for subtraction of rational numbers. (False)
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2 Q8.2


Comments

Popular posts from this blog

Tenses: Correct Form of the Verb Exercises: ICSE English Language

Tenses: Correct Form of the Verb Exercises: ICSE English Language ** [For other Important Links related to English Language, click here 👇 https://english-language-important-links ( It is advisable to first try and solve the answers on your own, write it down in your copies and once you're done with all the questions, check from the solutions and rectify your mistakes. This practice enables you to learn from your mistakes and helps your brain retain a vivid memory and enhances your ability of language acquisition)  In the following passage, fill in each of the numbered blanks with the correct form of the word given in brackets. Do not copy the passage, but write in correct serial order the word or phrase appropriate to the blank space. (answers below). Exercise I (0) disappeared The sun (0)_______ (disappear) behind the clouds and the sky turned grey. The wind (1)____(pick) up and a few drops of rain fell on the old tin roof. Jose (2)_____(run) inside and (3)_____(cl...

Do as Directed: ICSE English Language

ICSE English Language: Do as Directed: Exercises with Answers for Practice  ** [If you're unable to solve some of these questions or feel the need to revise the basics and rules, click here for an easy-to-follow guideline👇 https://transformation-of-sentences-complete-guide ( It is advisable to first try and solve the answers on your own, write it down in your copies and once you're done with all the questions, check from the solutions and rectify your mistakes. This practice enables you to learn from your mistakes and helps your brain retain a vivid memory and enhances your ability of language acquisition)  1. It is probable that he will never come back. (Begin: In …) 2. He said to me, ‘Where are you going?’ (Begin: He asked me …) 3. As soon as the chief guest had arrived, the play began. (Begin: No sooner ….) 4. I was surprised at his behaviour. (Begin: His …) 5. He will certainly succeed. (Begin: He is …) 6. He is the best student in the class. (Use better inste...

Class 7 Physics all Chapters

 Class 7 Selina Concise Physics Important Links: [ Click on the links alongside the given chapters to go to the post] **For notes on other subjects, Click here👉 Class 7 all Chapter Notes   **For Corrected Class Notes for Quick Revision click here:  http://class-7- all chapters-physics-corrected-class-notes Physical Quantities and Measurement:  http://physical-quantities-and-measurement Motion:  https://novakidhs.blogspot.com/2022/04/chapter-2-motion-selina-concise-for.html Energy:  http://energy-class-7-physics -Light Energy:  https://novakidhs.blogspot.com/2022/01/light-energy-concise-selina-class-7.html - Heat:  http://novakidhs.blogspot.com/2022/01/selina-concise-physics-class-7-chapter.html - Sound:  http://novakidhs.blogspot.com/2022/01/sound-selina-concise-physics-class-7.html - Electricity and Magnetism:  http://novakidhs.blogspot.com/2022/01/electricity-and-magnetism-selina.html