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CBSE Questions for Class 8 Maths Squares And Square Roots Quiz 4 - MCQExams.com

A four digit perfect square number whose first two digits and last two digits taken seperately are also perfect squares is:
  • 1,681
  • 1,636
  • 3,664
  • 6,481
Which of the following numbers will not have 1(one) at their unit's place?
  • (32)2
  • (57)2
  • (69)2
  • (321)2
  • (97)2
  • (265)2
  • (2091)2
The value of 0.9 is (approximately)
  • 0.3
  • 0.03
  • 0.33
  • 0.94
Which one of the following can't be the square of natural number?
  • 1936
  • 2452
  • 1369
  • 6561
Find the square root of 784 by prime factorisation method.
  • 22
  • 28
  • 18
  • 38
The smallest number by which 396 must be multiplied so that the product becomes a perfect square is:
  • 5
  • 11
  • 3
  • 2
The least number by which 216 must be divided to make the result a perfect square, is
  • 3
  • 4
  • 6
  • 9
For the following number, 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.
252
  • 3;42
  • 7;42
  • 7;30
  • 2;42
Without doing any calculation, find the numbers which are surely not perfect squares:
153
257
408
441
  • 153,257and441 are surely not perfect squares.
  • 441,257and408 are surely not perfect squares.
  • 153,441and408 are surely not perfect squares.
  • 153,257and408 are surely not perfect squares.
A gardener wants to plant 17956 trees and arranges them in such a way that there are as many rows as there are trees in a row. What is the number of trees in a row?
  • 144
  • 136
  • 154
  • 134
The largest number of 5 digits, which is perfect square is
  • 99999
  • 99764
  • 99976
  • 99856
What could be the possible 'one's' digit of the square root of each of the following numbers?
9801
99856
  • 1or9;4or6
  • 2or8;4or6
  • 1or9;2or8
  • 2or8;5or0
Find the square root of the following decimal numbers:
2.56
&
51.84
  • 1.4
    &
    7.8
  • 1.6 
    &
    7.2
  • 1.4 
    &
    7.2
  • 1.6 
    &
    7.8
Find the square root of each of the following numbers by division method:
2304
4489
3481
  • 38;67;59
  • 48;57;59
  • 48;67;69
  • 48;67;59
The students of class VII of a school denoted Rs.2401 in all, for Prime Minister's National Relief Fund. Each student denoted as many rupees as the number of students in the class. Find the number of students in the class.
  • 47
  • 51
  • 49
  • 53
Which one of the following can't be the square of natural number ?
  • 143642
  • 27859
  • 57896
  • 27896
Find the square root of 10, correct to four places of decimal.
  • 3.4623
  • 3.1023
  • 3.1693
  • 3.1623
What least number must be substracted from 176 to make it a perfect square?
  • 16
  • 10
  • 7
  • 4
Which of the following is a pythagorean triplet?
  • (2,3,5)
  • (5,7,9)
  • (6,9,11)
  • (8,15,17)
Check whether 1152 is a perfect square. If not, then find the least number by which it should be divided so that, the quotient becomes a perfect square. Also, find the square root of the quotient.
  • 2;24
  • 3;24
  • 2;19
  • 3;19
Find the square root of each of the following correct to three places of decimal.
17
1.7
2.5
78

  • 4.153;1.304;1.581;0.935
  • 4.123;1.304;1.581;0.995
  • 4.123;1.304;1.581;0.935
  • 4.123;1.304;1.501;0.935
Find the least number which must be added to each of the following numbers so as to get a perfect square. Also, find the square root of the perfect square so obtained.
525
1750
  • 4,23;14,48
  • 4,27;14,42
  • 4,23;14,42
  • 4,27;14,48
When a number ends with a 6 in units place, the units place of a square is____.
  • 18
  • 6
  • 9
  • 4
What could be the possible one's digits of the square root of the following numbers?
9801
99856
99800
657666025
  • 1or9;4or6;0;5
  • 2or8;4or6;0;5
  • 1or9;2or8;0;5
  • 1or9;4or6;5;0
Which one of the following cannot be the square of a natural number ?
  • 30976
  • 75625
  • 28561
  • 143642
The square root of an odd number
  • need not be odd
  • is odd
  • is even
  • cannot be determined
Write a Pythagorean triplet whose one member is 16 :
  • 25,49
  • 25,61
  • 63,65
  • None of these
What is the smallest number by which 338 is multiplied or divided to make a perfect square?
  • 13
  • 4
  • 6
  • 2
Write a Pythagorean triplet whose one member is 14:
  • 36, 64
  • 48, 50
  • 8, 6
  • 17, 20
Which of the following numbers is not a perfect square? 
  • 36
  • 81
  • 37
  • Both (A) and (B)
  • Answer required
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