Practice Test on Square and Square Roots



In practice test on square and square roots the objective questions are given to find the correct answers from the given options.



Tick (✔) the correct answer in each of the following:

1 . Which of the following numbers is a perfect square?

(a) 141

(b) 196

(c) 124

(d) 222


2. A perfect square number can never have the digit ...... at the units place.

(a) 1

(b) 4

(c) 8

(d) 9


3. Which of the following is a Pythagorean triplet?

(a) (2, 3, 5)

(b) (5, 7, 9)

(c) (6, 9, 11)

(d) ((8, 15, 17)


4. Sum of the first n odd natural numbers is

(a) 2n + 1

(b) n2

(c) n2 - 1

(d) 2n2 + 1


5. √5625 = ?

(a) 55

(b) 65

(c) 75

(d) 85


6. What least number must be added to 6072 to make it a perfect square?

(a) 6

(b) 10

(c) 12

(d) 16


7. √0.9 = ?

(a) 0.3

(b) 0.03

(c) 0.33

(d) 0.94


8. √0.00059049 is equal to

(a) 0.243

(b) 0.0243

(c) 0.00243

(d) 0.000243


9. √1.0816 = ?

(a) 1.04

(b) 1.286

(c) 0.904

(d) 1.35


10. √0.9 × √1.6 = ? (a) 0.12

(b) 1.2

(c) 0.75

(d) 12


11. √288/√128 = ?

(a) √3/2

(b) 3/√2

(c) 3/2

(d) 1.49


12. √(457/196) = ?

(a) 21/14

(b) 23/14

(c) 25/14

(d) 29/14


Answers:

Here are the answers for practice test on square and square roots are given below;

1. (b)

2. (c)

3. (d)

4. (b)

5. (c)

6. (c)

7. (a)

8. (b)

9. (a)

10. (b)

11. (c)

12. (a)



Square Root
  • Square Root
  • Square Root of a Perfect Square by using the Prime
       Factorization Method

  • Square Root of a Perfect Square by Using the Long
       Division Method

  • Square Root of Numbers in the Decimal Form
  • Square Root of Number in the Fraction Form
  • Square Root of Numbers that are Not Perfect Squares
  • Table of Square Roots
  • Practice Test on Square and Square Roots

  • Square Root- Worksheets
  • Worksheet on Square Root using Prime Factorization
       Method

  • Worksheet on Square Root using Long Division Method
  • Worksheet on Square Root of Numbers in Decimal and
       Fraction Form




  • 8th Grade Math Practice

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