Class 8 maths ch 6 ex 6.1

ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 6 Operation on sets Venn Diagrams Ex 6.1 Question 1. If A = , then verify that: (i) (A ∪ B)’ = A’ ∩ B’ (ii) (A ∩ B)’= A’ ∪ B’ (iii) A – B = A ∩ B’ (iv) B – A = B ∩ A’ Solution: Question 9. If n(A) = 20, n(B) = 16 and n(A ∪ B) = 30, find n(A ∩ B). Solution: Question 10. If n ξ = 20 and n(A’) = 7, then find n(A). Solution: Question 11. If n(ξ) = 40, n(A) = 20, n(B’) = 16 and n(A ∪ B) = 32, then find n(B) and n(A ∩ B). Solution: Question 12. If n(ξ) = 32, n(A) = 20, n(B) = 16 and n((A ∪ B)’) = 4, find : (i) n(A ∪ B) (ii) n(A ∩ B) (iii) n(A – B) Solution: Question 13. If n(ξ) = 40, n(A’) = 15, n(B) = 12 and n((A ∩ B)’) = 32, find : (i) n(A) (ii) n(B’) (iii) n(A ∩ B) (iv) n(A ∪ B) (v) n(A – B) (vi) n(B – A) Solution: Question 14. If n(A – B) = 12, n(B – A) = 16 and n(A ∩ B) = 5, find: (i) n(A) (ii) n(B) (iii) n(A ∪ B) Solution: Categories Post navigation

NCERT Solutions for Class 8 Maths Chapter 6 Squares and Square Roots Ex 6.1 are part of • • • Board CBSE Textbook NCERT Class Class 8 Subject Maths Chapter Chapter 6 Chapter Name Squares and Square Roots Exercise Ex 6.1 Number of Questions Solved 9 Category NCERT Solutions for Class 8 Maths Chapter 6 Squares and Square Roots Ex 6.1 Ex 6.1 Class 8 Maths Question 1. What will be the unit digit of the squares of the following numbers? (i) 81 (ii) 272 (iii) 799 (iv) 3853 (v) 1234 (vi) 26387 (vii) 52698 (viii) 99880 (ix) 12796 (x) 55555 Solution: The unit digit of the squares of the given numbers is shown against the numbers in the following table : Ex 6.1 Class 8 Maths Question 2. The following numbers are not perfect squares. Give reason, (i) 1057 (ii) 23453 (iii) 7928 (iv) 222222 (v) 64000 (vi) 89722 (vii) 222000 (viii) 505050 Solution: A number that ends either with 2, 3, 7 or 8 cannot be a perfect square. Also, a number that ends with odd number of zero(s) cannot be a perfect square. (i) Since the given number 1057 ends with 7, so it cannot be a perfect square. (ii) Since the given number 23453 ends with 3, so it cannot be a perfect square. (iii) Since the given number 7928 ends with 8, so it cannot be a perfect square. (iv) Since the given number 222222 ends with 2, so it cannot be a perfect square. (v) Since the number 64000 ends in an odd number of zeros, so it cannot be a perfect square. (vi) Since the number 89722 ends in 2, so it cannot be a perfect square. (vii) Sin...

Class 8th Maths || Menu • Videos Maths Class 8 • MCQ Maths Class 8 • Notes Maths Class 8 • Question Answer Maths Class 8 • Important Questions Maths Class 8 • Important Formulas Maths Class 8 • Sample Paper 1 – Maths Class 8 • Sample Paper 2 – Maths Class 8 • Book Maths Class 8 • Previous Year Papers Maths Class 8 • Rational Numbers • Ex 1.1 • Ex 1.2 • MCQs • Close • Linear Equations in One Variable • Ex 2.1 • Ex 2.2 • Ex 2.3 • Ex 2.4 • Ex 2.5 • Ex 2.6 • MCQs • Close • Understanding Quadrilaterals • Ex 3.1 • Ex 3.2 • Ex 3.3 • Ex 3.4 • MCQs • Close • Practical Geometry • Ex 4.1 • Ex 4.2 • Ex 4.3 • Ex 4.4 • Ex 4.5 • MCQs • Close • Data Handling • Ex 5.1 • Ex 5.2 • Ex 5.3 • MCQs • Close • Squares & Square Root • Ex 6.1 • Ex 6.2 • Ex 6.3 • Ex 6.4 • MCQs • Close • Cubes and Cube Roots • Ex 7.1 • Ex 7.2 • MCQs • Close • Comparing Quantities • Ex 8.1 • Ex 8.2 • Ex 8.3 • MCQs • Close • Algebraic Expressions and Identities • Ex 9.1 • Ex 9.2 • Ex 9.3 • Ex 9.5 • MCQs • Close • Visualising Solid Shapes • Ex 10.1 • Ex 10.3 • MCQs • Close • Mensuration • Ex 11.1 • Ex 11.2 • Ex 11.3 • Ex 11.4 • MCQs • Close • Exponents and Powers • Ex 12.1 • Ex 12.2 • MCQs • Close • Direct and Inverse Proportions • Ex 13.1 • Ex 13.2 • MCQs • Close • Factorisation • Ex 14.1 • Ex 14.2 • Ex 14.3 • Ex 14.4 • MCQs • Close • Introduction to Graphs • Ex 15.1 • Ex 15.2 • Ex 15.3 • MCQs • Close • Playing with Numbers • Ex 16.1 • Ex 16.2 • MCQs • Close NCERT Solutions for Class 8 Maths Chapter 6 Squares and Square...

Punjab State Board PSEB Solutions for Class 8 Maths Chapter 6 Squares and Square Roots Ex 6.1 1. What will be the unit digit of the squares of the following numbers? Question (i). 81 Solution: 81 Here, the ending digit is 1. 1 × 1 = 1 ∴ The unit digit of (81) 2 will be 1. Question (ii). 272 Solution: 272 Here, the ending digit is 2. 2 × 2 = 4 ∴ The unit digit of (272) 2 will be 4. Question (iii). 799 Solution: 799 Here, the ending digit is 9. 9 × 9 = 8 1 ∴ The unit digit of (799) 2 will be 1. Question (iv). 3853 Solution: 3853 Here, the ending digit is 3. 3 × 3 = 9 ∴ The unit digit of (3853) 2 will be 9. Question (v). 1234 Solution: 1234 Here, the ending digit is 4. 4 × 4 = 1 6 ∴ The unit digit of (1234) 2 will be 6. Question (vi). 26387 Solution: 26387 Here, the ending digit is 7. 7 × 7 = 4 9 ∴ The unit digit of (26387) 2 will be 9. Question (vii). 52698 Solution: 52698 Here, the ending digit is 8. 8 × 8 = 6 4 ∴ The unit digit of (52698) 2 will be 4. Question (viii). 99880 Solution: 99880 Here, the ending digit is 0. 0 × 0 = 0 ∴ The unit digit of (99880) 2 will be 0. Question (ix). 12796 Solution: 12796 Here, the ending digit is 6. 6 × 6 = 3 6 ∴ The unit digit of (12796) 2 will be 6. Question (x). 55555 Solution: 55555 Here, the ending digit is 5. 5 × 5 = 2 5 ∴ The unit digit of (55555) 2 will be 5. 2. The following numbers are obviously not perfect squares. Give reason: Question (i). 1057 Solution: 1057 Here, the ending digit is 7, which is not one of the digits 0, 1, 4,...

• ICSE Solutions • ICSE Solutions for Class 10 • ICSE Solutions for Class 9 • ICSE Solutions for Class 8 • ICSE Solutions for Class 7 • ICSE Solutions for Class 6 • Selina Solutions • ML Aggarwal Solutions • ISC & ICSE Papers • ICSE Previous Year Question Papers Class 10 • ISC Previous Year Question Papers • ICSE Specimen Paper 2021-2022 Class 10 Solved • ICSE Specimen Papers 2020 for Class 9 • ISC Specimen Papers 2020 for Class 12 • ISC Specimen Papers 2020 for Class 11 • ICSE Time Table 2020 Class 10 • ISC Time Table 2020 Class 12 • Maths • Merit Batch NCERT Solutions for Class 8 Maths Chapter 6 Squares and Square Roots Ex 6.1, are part of NCERT Solutions for Class 8 Maths Chapter 6 Squares and Square Roots Ex 6.1 Question 1. What will be the unit digit of the squares of the following numbers ? (i) 81 (ii) 272 (iii) 799 (iv) 3853 (v) 1234 (vi) 26387 (vii) 52698 (viii) 99880 (ix) 12796 (x) 55555 Solution. (i) 81 ∵ \(1\times 1\) ∴ The unit digit of the square of the number 81 will be 1. (ii) 272 ∵ \(2\times 2\) ∴ The unit digit of the square of the number 272 will be 4. (iii) 799 ∵ \(9\times 9\) ∴ The unit digit of the square of the number 799 will be 1. (iv) 3853 ∵ \(3\times 3\) ∴ The unit digit of the square of the number 3853 will be 9 (v) 1234 ∵ \(4\times 4\) ∴ The unit digit of the square of the number 1234 will be 6. (vi) 26387 ∵ \(7\times 7\) ∴ The unit digit of the square of the number 26387 will be 9. (vii) 52698 ∵ \(8\times 8\) ∴ The unit digit of the square of t...

NCERT Solutions Class 8 Maths Chapter 6 Exercise 6.1 Squares and Square Roots The NCERT solutions for Class 8 maths Chapter 6 exercise 6.1 Squares and Square Roots discusses the properties of square numbers such as all the square numbers end with 0, 1, 4, 5, 6, or 9 and also that they have an even number of zeroes in the end. With the help of elaborative examples, it is shown to the students that the sum of the first ‘n’ odd natural numbers is equal to n 2. In NCERT solutions Class 8 maths Chapter 6 exercise 6.1 The students will also study that in case a natural number cannot be written as the sum of successive odd Further, topics like how to find the sum of consecutive natural numbers, the product of two consecutive even or odd natural numbers are briefly discussed with examples. The Class 8 maths NCERT solutions Chapter 6 exercise 6.1 Squares and Square Roots has 9 questions that are based on the above-mentioned concepts. The pdf file of the exercise can be found in the link below : ☛ Download NCERT Solutions Class 8 Maths Chapter 6 Exercise 6.1 Exercise 6.1 Class 8 Chapter 6 Download PDF

• Menu Toggle • CBSE Class 6 • CBSE Class 7 • CBSE Class 8 • CBSE Class 9 • CBSE Class 10 • Menu Toggle • NCERT Solutions • NCERT Books • CBSE Sample Papers • CBSE Extra Questions • CBSE Important Questions • CBSE English Summary • CBSE Syllabus • Menu Toggle • RS Aggarwal Solutions • RD Sharma Class 10 Solutions • Menu Toggle • About Us • Contact Us • Terms And Conditions • Privacy Policy • Disclaimer NCERT Solutions for Class 8 Maths Chapter 6 Squares And Square Roots NCERT Solutions for Class 8 Maths Chapter 6 Squares And Square Roots are provided below. Our solutions covered each questions of the chapter and explains every concept with a clarified explanation. To score good marks in Class 8 Mathematics examination, it is advised to solve questions provided at the end of each chapter in the NCERT book.

NCERT Solutions for Class 8 Maths Exercise 6.1 Class 8 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 Maths chapter wise NCERT solution for Maths Book all the chapters can be downloaded from our website and myCBSEguide mobile app for free. NCERT solutions for Class 8 Maths Squares and Square Roots NCERT Solutions for Class 8 Maths Squares and Square Roots Class –VIII Mathematics (Ex. 6.1) NCERT SOLUTION 1. What will be the unit digit of the squares of the following numbers: (i) 81 (ii) 272 (iii) 799 (iv) 3853 (v) 1234 (vi) 26387 (vii) 52698 (viii) 99880 (ix) 12796 (x) 55555 Ans. (i) The number 81 contains its unit’s place digit 1. So, square of 1 is 1. Hence, unit’s digit of square of 81 is 1. (ii) The number 272 contains its unit’s place digit 2. So, square of 2 is 4. Hence, unit’s digit of square of 272 is 4. (iii) The number 799 contains its unit’s place digit 9. So, square of 9 is 81. Hence, unit’s digit of square of 799 is 1. (iv) The number 3853 contains its unit’s place digit 3. So, square of 3 is 9. Hence, unit’s digit of square of 3853 is 9. (v) The number 1234 contains its unit’s place digit 4. So, square of 4 is 16. Hence, unit’s digit of square of 1234 is 6. (vi) The number 26387 contains its unit’s place digit 7. So, square of 7 is 49. Hence, unit’s d...