CBSE Questions for Class 8 Maths Squares And Square Roots Quiz 7 - MCQExams.com

Find the value of $$\sqrt {25}$$.
  • $$5$$
  • $$-\sqrt {5}$$
  • $$\sqrt {3}$$
  • None of these
State whether the statements are true (T) or false (F).
If $$a^2$$ ends in 9, then $$a^3$$ ends in 7.
  • True
  • False
Estimate: $$\sqrt { 60 } $$
  • $$7.7$$
  • $$7$$
  • $$7.2$$
  • $$7.5$$
$$127$$ is a
  • irrational number
  • perfect square number
  • non-perfect square number
  • real number
Identify which one of the following numbers are Pythagorean triplets?
  • $$12, 35, 37$$
  • $$15, 102, 106$$
  • $$10, 23, 26$$
  • $$14, 28, 50$$
$$10,24$$ and __ will form a Pythagorean triplets.
  • $$25$$
  • $$26$$
  • $$27$$
  • $$28$$
What is the Pythagorean triplets whose one member is $$20$$?
  • $$20, 97, 99$$
  • $$20, 99, 101$$
  • $$20, 197, 199$$
  • $$20, 199, 201$$
What least number must be added to $$4812$$ to make the sum a perfect square? (Use Long division method).
  • $$86$$
  • $$88$$
  • $$89$$
  • $$85$$
Find the square root of $$12.25$$ using long division method.
  • $$3.2$$
  • $$3.4$$
  • $$3.5$$
  • $$3.1$$
What least number must be added to 700 to make the sum a perfect square? (Use Long division method).
  • 25
  • 26
  • 28
  • 29
State whether the statements are true (T) or false (F).
All numbers of a Pythagorean triplet are odd.
  • True
  • False
State whether the statements are true (T) or false (F).
The square root of 0.9 is 0.3.
  • True
  • False
Which least number must be subtracted to $$1025$$ to make a perfect square? (Use Long division method).
  • $$1$$
  • $$2$$
  • $$3$$
  • $$4$$
Find the square root of 67.24 using long division method.
  • 8.2
  • 8.3
  • 8.1
  • 8.4
Which least number must be subtracted to 899 to make a perfect square? (Use Long division method).
  • 55
  • 56
  • 57
  • 58
Find the square root of 84.64 using long division method.
  • $$9.1$$
  • $$9.2$$
  • $$9.3$$
  • $$9.4$$
A non-perfect square ends in 2, 3, 7 or ___.
  • 4
  • 5
  • 0
  • 8
Evaluate: $$\sqrt{10}$$ correct up to one place of decimal.
  • 3.1
  • 3.16
  • 3.162
  • 3.1622
Estimate the square root of $$500.$$
  • $$22.35$$
  • $$20.3$$
  • $$21.4$$
  • $$23.6$$
What is the square root of 506.25 using long division method?
  • 22.5
  • 21.4
  • 23.4
  • 25.3
What is the square root of $$292.41$$ using long division method?
  • 17.1
  • 17.2
  • 17.3
  • 17.4
What is the square root of $$156.25$$ using long division method.
  • $$12.3$$
  • $$12.5$$
  • $$12.4$$
  • $$12.7$$
Estimate the value of $$\sqrt{750}$$.
  • 24.3
  • 25.1
  • 23.2
  • 27.3
Find the approximate value of $$\sqrt{5245}$$.
  • 70.5
  • 72.3
  • 71.8
  • 79.2
What is an approximate value of $$\sqrt{9805}$$?
  • 98.56
  • 97.23
  • 99.05
  • 100.34
Find the approximate value of $$\sqrt{1235}$$.
  • $$35.15$$
  • $$32.19$$
  • $$30.25$$
  • $$29.13$$
What will be the units digit of the square of the given number $$5125$$?
  • $$0$$
  • $$1$$
  • $$5$$
  • $$9$$
What will be the unit's digit of the square of the given number $$297$$?
  • $$9$$
  • $$7$$
  • $$3$$
  • $$1$$
The number of prime factors of $$36$$ is ____.
  • $$4$$
  • $$3$$
  • $$2$$
  • $$1$$
Estimate the square root of $$300$$.
  • $$12.44$$
  • $$16.66$$
  • $$17.32$$
  • $$18.54$$
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