5. CBSE Class 8 Mathematics 5th Model Test Paper with Solutions

Class 8 Mathematics CBSE 5th Model Question Paper with Answers – Boost Exam Preparation & Score High

Class 8 Mathematics 5th Model Test Paper

Exercise 6.3

1. What could be the possible ‘one’s’ digits of the square root of each of the following numbers?
(i) 9801 (ii) 99856 (iii) 998001 (iv) 657666025
2. Without doing any calculation, find the numbers which are surely not perfect squares.
(i) 153 (ii) 257 (iii) 408 (iv) 441
3. Find the square roots of 100 and 169 by the method of repeated subtraction.
4. Find the square roots of the following numbers by the Prime Factorisation Method.
(i) 729 (ii) 400 (iii) 1764 (iv) 4096
(v) 7744 (vi) 9604 (vii) 5929 (viii) 9216
(ix) 529 (x) 8100
 

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Posted 4 months ago