CBSE Class 10 Maths Chapter 1 Real Number Objective Questions have been put together by the experienced teachers at IL. Do you want to check how well you understand the concepts of “Real Numbers”? Are you concerned about how you would do if there were multiple-choice questions from this chapter? The CBSE Class 10 exam pattern is changing for the next academic year, so you can expect more multiple-choice questions in the exams. Here, we have gathered some questions from the chapter and organized them by topic for easy reference. You can find the CBSE Class 10 Maths Chapter 1 Real Numbers Objective Questions in this article.
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Our aim is to provide solutions that make the subject’s complex basics easier to understand. We aim to offer quality solutions that can help you get high marks in exams. Below is the link to download the CBSE Class 10 Maths Chapter 1 Real Numbers Objective Questions.
Class 10 Maths MCQs Chapter 1 Real Numbers
Question: What is the smallest prime number?
a) 0
b) 1
c) 2
d) 3
Answer: c) 2
Question: Which of the following is not a prime number?
a) 11
b) 13
c) 15
d) 17
Answer: c) 15
Question: Which of the following is a composite number?
a) 2
b) 3
c) 5
d) 9
Answer: d) 9
Question: What is the unit digit in the square of 12?
a) 4
b) 6
c) 8
d) 0
Answer: d) 0
Question: Which of the following is an irrational number?
a) √9
b) √16
c) √25
d) √2
Answer: d) √2
Question: What is the HCF of 18 and 24?
a) 2
b) 4
c) 6
d) 8
Answer: c) 6
Question: What is the LCM of 6 and 8?
a) 12
b) 16
c) 24
d) 48
Answer: c) 24
Question: Which of the following is a co-prime pair?
a) 10 and 15
b) 14 and 21
c) 9 and 12
d) 8 and 16
Answer: a) 10 and 15
Question: What is the decimal representation of 2/5?
a) 0.25
b) 0.4
c) 0.5
d) 0.6
Answer: a) 0.25
Question: What is the value of 0.12 as a fraction?
a) 12/100
b) 12/10
c) 12/1000
d) 12/1
Answer: a) 12/100
Question: What is the additive inverse of -8?
a) -8
b) 0
c) 8
d) -(-8)
Answer: c) 8
Question: What is the multiplicative inverse of 5?
a) 0
b) 1/5
c) 5
d) 25
Answer: b) 1/5
Question: What is the square root of 64?
a) 4
b) 6
c) 8
d) 64
Answer: c) 8
Question: What is the cube root of 27?
a) 3
b) 6
c) 9
d) 27
Answer: a) 3
Question: What is the value of 2^3?
a) 4
b) 6
c) 8
d) 16
Answer: c) 8
Question: What is the value of 10^-3?
a) 0.1
b) 0.01
c) 0.001
d) 0.0001
Answer: c) 0.001
Question: What is the value of (2/3)^2?
a) 1/4
b) 4/9
c) 9/4
d) 4/3
Answer: b) 4/9
Question: What is the value of (3/4) ÷ (1/2)?
a) 1.5
b) 2.5
c) 3/8
d) 3/2
Answer: d) 3/2
Question: What is the value of |−9|?
a) -9
b) 0
c) 9
d) -|9|
Answer: c) 9
Question: What is the value of (-2) + (-3)?
a) -5
b) 5
c) -1
d) 1
Answer: a) -5
Question: What is the value of (-4) × (-3)?
a) 12
b) -12
c) 7
d) -7
Answer: a) 12
Question: What is the value of (-15) ÷ (-3)?
a) 5
b) -5
c) 3
d) -3
Answer: a) 5
Question: What is the value of 3/5 × 10/9?
a) 1
b) 2/3
c) 1/2
d) 4/5
Answer: b) 2/3
Question: What is the value of 3/4 – 1/2?
a) 1/4
b) 1/8
c) 5/4
d) 1/2
Answer: a) 1/4
Question: What is the value of 3/2 + 5/4?
a) 13/8
b) 11/4
c) 7/4
d) 9/2
Answer: b) 11/4
Question: What is the value of 5 + √16?
a) 11
b) 9
c) 7
d) 5
Answer: a) 11
Question: What is the value of √25 – 3?
a) 2
b) 4
c) 5
d) 8
Answer: a) 2
Question: What is the value of 2^4 × 3^3?
a) 216
b) 96
c) 144
d) 192
Answer: c) 144
Question: What is the value of 3√64?
a) 4
b) 6
c) 8
d) 16
Answer: c) 8
Question: What is the value of (2^3 × 3^2) ÷ (2^2 × 3^3)?
a) 6
b) 2/3
c) 3/2
d) 3
Answer: b) 2/3
Question: What is the value of (√3 + √2)^2?
a) 5 + 2√6
b) 5 + 4√2
c) 5 + √6
d) 5 + 2√3
Answer: a) 5 + 2√6
Question: What is the value of (1 + √3) (1 – √3)?
a) 2
b) 4
c) 6
d) 8
Answer: a) 2
Question: What is the value of 5^0?
a) 0
b) 1
c) 5
d) 25
Answer: b) 1
Question: What is the value of (-1)^4?
a) -1
b) 1
c) -4
d) 4
Answer: b) 1
Question: What is the value of 4^-2?
a) -16
b) 1/16
c) 16
d) 1/4
Answer: b) 1/16
Question: What is the value of (2/3)^-3?
a) 3/2
b) 27/8
c) 8/27
d) -27/8
Answer: c) 8/27
Question: What is the value of 2^4 ÷ 2^2?
a) 4
b) 6
c) 2
d) 8
Answer: c) 2
Question: What is the value of (-2)^3?
a) -8
b) 8
c) 16
d) -16
Answer: a) -8
Question: What is the value of (1/3)^-2?
a) -9
b) 9
c) 1/9
d) -1/9
Answer: c) 1/9
Question: What is the value of √(25/36)?
a) 5/6
b) 6/5
c) 1/6
d) 1/5
Answer: a) 5/6
