CBSE Questions for Class 8 Maths Squares And Square Roots Quiz 5 - MCQExams.com

What will be the unit digit of the square of 3853?
  • 3
  • 1
  • 7
  • 9
What will be the unit digit of the square of the number $$81$$?
  • 5
  • 7
  • 1
  • 3
What will be the unit digit of the square of 52698?
  • 4
  • 2
  • 9
  • 6
What will be the unit digit of the square of 272?
  • 1
  • 4
  • 3
  • 8
What will be the unit digit of the square of 26837?
  • 4
  • 2
  • 9
  • 6
What will be the unit digit of the square of 99880?
  • 2
  • 4
  • 6
  • None of these
What will be the unit digit of the square of 1234?
  • 3
  • 4
  • 5
  • 6
The square of which of the following would be odd number ?
  • $$512$$
  • $$320$$
  • $$431$$
  • $$220$$
Find the square root of the following number:
$$1764$$
  • $$42$$
  • $$45$$
  • $$49$$
  • $$50$$
The square of which of the following would be an odd number ?
  • $$221$$
  • $$226$$
  • $$280$$
  • $$232$$
What will be the unit digit of the square of 12796?
  • 6
  • 2
  • 1
  • 4
446223 is obviously not a perfect square. Give reason.
  • Last two digit is 23
  • Number ends with 3
  • Number starts with 44
  • Data insufficient
What will be the unit digit of the square of 55555?
  • 4
  • 5
  • 0
  • 1
The number which will end with digit $$1$$ is _____.
  • $$(82)^2$$
  • $$(97)^2$$
  • $$(91)^2$$
  • none of these
Find the square of $$86$$.
  • $$5684$$
  • $$7396$$
  • $$6629$$
  • $$3436$$
819027 is obviously not a perfect square. Give reason
  • Last two digits are 27
  • Number ends with 7
  • Number starts with 8
  • Data insufficient
Find the square root of 1024 by division method.
  • 42
  • 48
  • 38
  • 32
Find the square root of $$8100$$ by the prime factorisation method.
  • 80
  • 90
  • 30
  • 70
Find the square root of the $$9216$$ by the prime factorisation method.
  • 96
  • 86
  • 106
  • 76
Find the square root of 15129 by the division method. 
  • 117
  • 107
  • 123
  • 127
Find the square root of the following number by division method.
3481
  • 71
  • 61
  • 51
  • 59
Find the square root of $$576$$ by division method.
  • 36
  • 24
  • 34
  • 46
Find the square root of the following number by division method:
4489
  • 63
  • 67
  • 73
  • 77
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 
$$(i) 402, (ii) 1989, (iii) 3250, (iv) 825, (v) 4000$$
  • Least number which must be subtracted:$$(i) 2, (ii) 22, (iii) 1, (iv) 21, (v) 52$$

    Square root of the perfect square:
    $$(i) 20, (ii) 34 ,(iii) 55, (iv) 26, (v) 67$$
  • Least number which must be subtracted:$$(i) 2, (ii) 53, (iii) 1, (iv) 41, (v) 31$$

    Square root of the perfect square:
    $$(i) 20, (ii) 44, (iii) 57, (iv) 28, (v) 63$$
  • Least number which must be subtracted:$$(i) 6, (ii) 22, (iii) 50, (iv) 31, (v) 40$$

    Square root of the perfect square:
    $$(i) 19, (ii) 41, (iii) 49 ,(iv) 27 ,(v) 65$$
  • Least number which must be subtracted:$$(i) 8, (ii) 41, (iii) 12, (iv) 56, (v) 4$$

    Square root of the perfect square:
    $$(i) 19 ,(ii) 22, (iii) 37, (iv) 26, (v) 61$$
Find the square root of $$3136$$ by division method.
  • 56
  • 66
  • 46
  • 36
Find square root of 8281.
  • 41
  • 71
  • 91
  • 111
Find the smallest number by which  $$9408$$  must be divided so that the quotient is a perfect square. Find the square root of the quotient.
  • Smaller number:$$ 5$$ , Quotient: $$3036$$, Square root: $$54$$.
  • Smaller number: $$3$$, Quotient: $$3136$$, Square root: $$56.$$
  • Smaller number:$$ 7,$$ Quotient: $$3236$$, Square root: $$57.$$
  • Data insufficient
Find a Pythagorean triplet in which one member is 12 
  • 5, 12, 13
  • 7, 12, 19
  • 11, 12, 15
  • 11, 12, 18
Find the square root of : (i) $$729$$ (ii) $$1296$$
  • $$13, 36$$
  • $$27,36$$
  • $$17, 16$$
  • $$23, 26$$
Find the square root of 6400.
  • 70
  • 80
  • 60
  • 90
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