This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Three comets moving through the galaxy will pass through our solar system every 75 years, 120 yearsand 300 years respectively. The three comets were last observed in our solar system in the year 1680.In which year will all the three comets be seen in our solar system together again?Problem can be solved using A) HCF. B) LCM. C) All the above. D) None of the above. Show Answer Correct Answer: B) LCM. 2. Is the answer to $\sqrt{25}$ A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 3. Two numbers with 18 as their HCF and 3672 as their LCM are A) 216 and 306. B) 256and 306. C) 206 and 316. D) 162 and 324. Show Answer Correct Answer: A) 216 and 306. 4. The decimal expansion of number $\frac{441}{2^2\times5^3\times7}$ A) A terminating decimal. B) Non terminating but repeating. C) Non terminating non repeating. D) Terminating after two decimal place. Show Answer Correct Answer: A) A terminating decimal. 5. Name the set or sets to which each real number belongs. $\sqrt{2}$ A) Natural Number. B) Whole Number. C) Integer. D) Rational. E) Irrational. Show Answer Correct Answer: E) Irrational. 6. (-1)$^{n}$ + (-1)$^{8n}$ = 0 when n is A) Any positive integer. B) Any odd natural number. C) Any even numeral number. D) Any negative integer. Show Answer Correct Answer: B) Any odd natural number. 7. Fill in the blank to properly show the DISTRIBUTIVE PROPERTY:7(11 + 4) = 77 + ..... A) 3. B) 4. C) 7. D) 28. Show Answer Correct Answer: D) 28. 8. If p is positive, n is negative, and z is zero, pnz is A) Positive. B) Negative. C) Zero. D) Undefined. Show Answer Correct Answer: C) Zero. 9. Which number is not a perfect square? A) 4. B) 9. C) 64. D) 50. Show Answer Correct Answer: D) 50. 10. The product of a non-zero number and an irrational number is A) Always irrational. B) Always rational. C) May be rrational or rational. D) None of the above. Show Answer Correct Answer: A) Always irrational. 11. Pi-22/7 A) A rational number. B) (b) an irrational number. C) (c) a prime number. D) (d) an even number. Show Answer Correct Answer: B) (b) an irrational number. 12. If two positive integers a and b are written as a =x$^{5}$y$^{2}$ and b=x$^{2}$y$^{3}$ (x and y are prime numbers) then HCF (a, b) is A) Xy. B) X$^{5}$y$^{3}$. C) X$^{3}$y$^{3}$. D) X$^{2}$y$^{2}$. Show Answer Correct Answer: D) X$^{2}$y$^{2}$. 13. Which of the following correctly classifies the number-12 to all of the number sets which it belongs? A) Real & Rational. B) Real & Irrational. C) Real, Rational, & Integer. D) Real, Rational, Integer, & Whole. Show Answer Correct Answer: C) Real, Rational, & Integer. 14. Ex 4. Multiply(-2) 1/6 A) -1/3. B) 1/3. C) -2 1/6. D) 2 1/6. Show Answer Correct Answer: A) -1/3. 15. For any positive integer and a and 3, there exist unique integer q and r such that a=3q+r, where r must satisfy A) $1<$ $<$. B) $0\le r<3$. C) $0 D) $0 Show Answer Correct Answer: B) $0\le r<3$. 16. $\left(1.4\times10^4\right)-\left(2.83\times10^3\right)$ A) $1.43\times10^4$. B) $1.117\times10^4$. C) $1.43\times10^3$. D) $-1.43\times10^1$. Show Answer Correct Answer: B) $1.117\times10^4$. 17. A teacher divided a class of students into 3 groups of the same size. Which term describes the number of students in each group? A) Whole number. B) Integer. C) Rational number. D) None of the above. Show Answer Correct Answer: A) Whole number. 18. The collection of all rational numbers and irrational numbers is known as A) Real Numbers. B) Natural Numbers. C) Integers. D) Whole numbers. Show Answer Correct Answer: A) Real Numbers. 19. In a morning walk, three persons step off together. Their steps measure 80 cm, 85 cm and 90 cmrespectively. What is the minimum distance each should walk so that all can cover the same distancein complete steps? A) 1240. B) 1224. C) 12240. D) 12440. Show Answer Correct Answer: C) 12240. 20. HCF (135, 225) = 45, find the LCM (135, 225) A) 675. B) 180. C) 315. D) 450. Show Answer Correct Answer: A) 675. 21. A fraction is which type of number? A) Rational. B) Irrational. C) Integer. D) Whole. Show Answer Correct Answer: A) Rational. 22. $\\left|\-4\\right|$ A) $-4$. B) $4$. C) $1$. D) $0$. Show Answer Correct Answer: B) $4$. 23. What is the definition of an integer A) All positive and negative whole numbers. B) Decimals or fractions that terminate for repeat. C) All positive whole numbers. D) 0. Show Answer Correct Answer: A) All positive and negative whole numbers. 24. Log $_{7 }$1 = A) 7. B) 1. C) 0. D) 17. Show Answer Correct Answer: C) 0. 25. Classify the following:0.04769165821735 ..... A) Irrational. B) Rational. C) All the above. D) None of the above. Show Answer Correct Answer: A) Irrational. Next →Related QuizzesClass 10 Maths Chapter 1 Real Numbers Quiz 2Class 10 Maths Chapter 1 Real Numbers Quiz 3Class 10 Maths Chapter 1 Real Numbers Quiz 4Class 10 Maths Chapter 1 Real Numbers Quiz 5Class 10 Maths Chapter 1 Real Numbers Quiz 6Class 10 Maths Chapter 1 Real Numbers Quiz 7Class 10 Maths Chapter 1 Real Numbers Quiz 8Class 10 Maths Chapter 1 Real Numbers Quiz 9Class 10 Maths Chapter 1 Real Numbers Quiz 10Class 10 Maths Chapter 1 Real Numbers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books