Class 8 Squares And Square Roots CBSE Questions & Answers

Class 8 · Squares And Square Roots

This is Mathematics Class 8 Squares and Square Roots CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which of the following is a perfect square number?
  • A
    23453
  • B
    222222
  • C
    2061
    Correct
  • D
    1057
2
Which of the following would end with digit 1?
  • A
    \({\text{7}}{{\text{7}}^{\text{2}}}\)
  • B
    \({\text{12}}{{\text{3}}^{\text{2}}}\)
  • C
    \({\text{8}}{{\text{2}}^{\text{2}}}\)
  • D
    \({\text{16}}{{\text{1}}^{\text{2}}}\)
    Correct
3
The squares of which of the following would be odd numbers?
  • A
    2826
  • B
    434
  • C
    7779
    Correct
  • D
    82004
4
Without adding, find the sum. 1 + 3 + 5 + 7 + 9
  • A
    9
  • B
    36
  • C
    16
  • D
    25
    Correct
5
Without doing any calculation, find the numbers which are surely perfect squares.
  • A
    408
  • B
    441
    Correct
  • C
    153
  • D
    257
6
Numbers like 1, 4, 9, 16, 25 ... are known as ___________.
  • A
    square numbers
    Correct
  • B
    negative numbers
  • C
    cube numbers
  • D
    none of these
7
All square numbers end with __________ at unit’s place.
  • A
    0, 1, 4, 5, 6 or 9
    Correct
  • B
    1
  • C
    0
  • D
    9
8
When a square number ends in _______, the number whose square it is, will have either 4 or 6 in unit’s place.
  • A
    2
  • B
    6
    Correct
  • C
    0
  • D
    3
9
Square numbers can only have _________ number of zeros at the end.
  • A
    none of these
  • B
    composite
  • C
    even
    Correct
  • D
    odd
10
Find the perfect square numbers between 30 and 40.
  • A
    25
  • B
    36
    Correct
  • C
    none of these
  • D
    49
11
Find the smallest number by which 9408 must be divided so that the quotient is a perfect square.
  • A
    1
  • B
    none of these
  • C
    2
  • D
    3
    Correct
12
Find the least number that must be subtracted from 5607 so as to get a perfect square.
  • A
    none of these
  • B
    131
    Correct
  • C
    130
  • D
    135
13
What will be the number of zeros in the square of 60?
  • A
    3
  • B
    2
    Correct
  • C
    1
  • D
    none of these
14
How many natural numbers lie between 92 and 102?
  • A
    27
  • B
    18
    Correct
  • C
    36
  • D
    9
15
Find the square of 39.
  • A
    none of these
  • B
    1521
    Correct
  • C
    1500
  • D
    78