1. NCERT Solutions - Mathematics , Class 8
1. Rational Numbers
2. Linear Equations in One Variable
3. Understanding Quadrilaterals
4. Data Handling
5. Squares and Square Roots
6. Cubes and Cube Roots
7. Comparing Quantities
8. Algebraic Expressions and Identities
9. Visualising Solid Shapes
11. Exponents and Powers
12. Direct and Inverse Proportions
14. Introduction to Graphs
15. Playing with Numbers
1. Exercise 6.1
2. Exercise 6.2
3. Exercise 6.3
4. Exercise 6.4
Q1) What could be the possible ‘ones’ digits of the square root of each of the following numbers:
Q2) Without doing any calculation, find the numbers which are surely not perfect squares:
Q3) Find the square roots of 100 and 169 by the method of repeated subtraction.
Q4) Find the square roots of the following numbers by the Prime Factorization method:
Q5) For each of the following numbers, find the smallest whole number by which it should be multiplied so as to get a perfect square number. Also, find the square root of the square number so obtained:
(i) 252 (ii) 180
(iii) 1008 (iv) 2028
(v) 1458 (vi) 768
Q6) For each of the following numbers, find the smallest whole number by which it should be divided so as to get a perfect square. Also, find the square root of the square number so obtained:
Q7) The students of class VIII of a school donated ` 2401 in all, for Prime Minister’s National Relief Fund. Each student donated as many rupees as the number of students in the class. Find the number of students in the class.
Q9) Find the smallest square number that is divisible by each of the numbers 4, 9 and 10.
Q10) Find the smallest square number that is divisible by each of the numbers 8, 15 and 20.
Want to top your mathematics exam ?
Learn from an expert tutor.
NCERT Solutions - Mathematics , Class 8
Linear Equations in One Variable
Squares and Square Roots
Cubes and Cube Roots
Algebraic Expressions and Identities
Visualising Solid Shapes
Exponents and Powers
Direct and Inverse Proportions
Introduction to Graphs
Playing with Numbers
Race To Space
Terms & Policies