Class 8 Maths Chapter 6 and 7 Test Paper Set-2 Pdf Download CBSE

Test Paper Of Class 8 Maths Chapter 5 and 6 Squares and Square Roots Cubes and Cube Roots pdf download

• (Set-1) Chapter 6 & 7 Class 8 maths
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Chapter 6 & 7 Test Paper (02)

Class 8 Maths Chapter 6 & 7 Squares and Square Roots Cubes and Cube Roots Test Paper Set-2 Text Form:-

PGRMS Education (Worksheet)

SAMPLE PAPER (2)
CLASS: 6                                                MAX. MARKS :30
SUBJECT: MATHEMATICS                  TIME: 1:30 HOUR
CH: 6,7 (Squares and Square Roots)

              (Cubes and Cube Roots)
General Instructions:
I. All questions are compulsory.
II. This question paper contains 14 questions divided into four Sections A, B, C and D.
III. Section A has 5 questions of 1 mark each. Section B has 4 questions 2 marks each. Section C has 3 questions of 3 marks each. and Section D has 2 questions of 4 marks each.
IV. Use of Calculators is not permitted.

Section – A

In Questions 1 to 10, there are four options, out of which one is correct. Write the correct answer.

1. Which of the following will have 1 at its units place?

(a) 19²                              (b) 17²

(c) 18²                              (d) 16²

2. 196 is the square of

(a) 11                               (b) 12

(c) 14                               (d) 16

3. How many natural numbers lie between 5² and 6²?

(a) 9                                 (b) 10

(c) 11                               (d) 12

4. The sum of successive odd numbers 1, 3, 5, 7, 9, 11, 13 and 15 is

(a) 81                               (b) 64

(c) 49                               (d) 36

5. Which among 43², 67², 52², 59² would end with digit 1?

(a) 43²                             (b) 67²

(c) 52²                             (d) 59²

Section – B

6. What will be the unit digit of the squares of the following numbers?

 (i) 799                              (ii) 3853

7. Which of the following numbers are not perfect cubes?

 (i) 1000                            (ii) 100

8. The squares of which of the following would be odd numbers?

 (i) 7779                           (ii) 82004

9. Find the smallest number by which each of the following numbers must be divided to obtain a perfect cube.

 (i) 135                             (ii) 192     

Section – C

10. Find the square of the following numbers.

 (i) 93

(ii) 71

(iii) 46

11. Find the square roots of the following numbers by the Prime Factorisation Method.

 (i) 4096                       (ii) 7744                   (iii) 9604

12. 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) 2028

(ii) 1458

(iii) 768

Section – D

13. (a) Find the least number which must be subtracted from each of the following numbers so as to get a perfect square. Also find the square root of the perfect square so obtained.

 (i) 3250                           (ii) 825

(b) In a right triangle ABC, ∠B = 90°. If AB = 6 cm, BC = 8 cm, find AC

14. (a) Find the least number that must be added to 1300 so as to get a perfect square. Also find the square root of the perfect square.

(b)Three numbers are in the ratio 1:2:3 and the sum of their cubes is 4500. Find the numbers.