We have compiled the NCERT MCQ Questions for Class 8 Maths Chapter 6 Squares and Square Roots with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 8 Maths with Answers on a daily basis and score well in exams. Refer to the Squares and Square Roots Class 8 MCQs Questions with Answers here along with a detailed explanation.
Squares and Square Roots Class 8 MCQs Questions with Answers
Choose the correct option.
Question 1.
Which of the following is a perfect square number.
(a) 453
(b) 8657
(c) 93542
(d) 729
Answer
Answer: (d) 729
Question 2.
Which of 225², 97², 53² and 809² would end with digit 1.
(a) 225²
(b) 97²
(c) 53²
(d) 809²
Answer
Answer: (d) 809²
Question 3.
What will be the number of zeros in the square of the number 7000?
(a) 3
(b) 5
(c) 6
(d) 9
Answer
Answer: (c) 6
Question 4.
How many natural numbers lie between 13² and 14².
(a) 24
(b) 25
(c) 26
(d) 27
Answer
Answer: (c) 26
Question 5.
Express the square number 5² as the sum of two consecutive integers.
(a) 12 + 13
(b) 10 + 15
(c) 9 + 16
(d) 20 + 5
Answer
Answer: (a) 12 + 13
Question 6.
Which of the following is not a Pythagorean triplet?
(a) 6, 8, 10
(b) 8, 15, 17
(c) 2, 5, 7
(d) 5, 12, 13
Answer
Answer: (c) 2, 5, 7
Question 7.
What could be the possible one’s digit of the no. whose square is 361?
(a) 3, 4
(b) 6, 7
(c) 1, 9
(d) 7, 8
Answer
Answer: (c) 1, 9
Question 8.
The smallest number by which 75 should be multiplied so as to get a perfect square is
(a) 2
(b) 3
(c) 5
(d) 7
Answer
Answer: (b) 3
Question 9.
The number of digits in the square root of 78400 is ………….
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (c) 3
Question 10.
Which of the following is the number of non-perfect square number between 17² and 18²?
(a) 613
(b) 35
(c) 70
(d) 34
Answer
Answer: (d) 34
Question 11.
Which of the following can be a perfect square?
(a) A number ending in 3 or 7
(b) A number ending with odd number of zeros
(c) A number ending with even number of zeros
(d) A number ending in 2.
Answer
Answer: (c) A number ending with even number of zeros
Question 12.
Which of the following can be the square of a natural number ‘n’?
(a) sum of the squares of first n natural numbers
(b) sum of the first n natural numbers
(c) sum of first (n – 1) natural numbers
(d) sum of first ‘n’ odd natural numbers.
Answer
Answer: (d) sum of first ‘n’ odd natural numbers.
Fill in the blanks
Question 1.
1² = 1 then the square root of 1 is ………………..
Answer
Answer: 1
Question 2.
8² = 64 then square root of ……………… = 8.
Answer
Answer: 64
Question 3.
The number of digits in the square root of 441 is ……………..
Answer
Answer: 2
Question 4.
The smallest 3-digit perfect square is ………………….
Answer
Answer: 100
Question 5.
If a number has 4 or 6 in the units place then, its square ends in ………………..
Answer
Answer: 6
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