This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The total number of distinct primes in the prime factorisation of 27300 are: A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: D) 5. 2. HCF of 26 and 91 is: A) 15. B) 13. C) 19. D) 11. Show Answer Correct Answer: B) 13. 3. If two positive integers a & b are written as a= $x^3y^2$ $xy^3$ A) Xy. B) $xy^2$. C) $x^3y^3$. D) $x^2y^2$. Show Answer Correct Answer: C) $x^3y^3$. 4. Which list shows the following numbers in order from least to greatest:0.9, 77%, $\frac{4}{5}$ A) 100%, 0.9, undefined, 77%. B) Undefined, 0.9, 77%, 100%. C) 77%, undefined, 0.9, 100%. D) 0.9, undefined, 100%, 77%. Show Answer Correct Answer: C) 77%, undefined, 0.9, 100%. 5. The cube of every number is of the form- A) 2m, 2m+1, 2m+2. B) 3m, 3m+1, 3m+2. C) 3m, 3m+1, 3m+8. D) None of these. Show Answer Correct Answer: C) 3m, 3m+1, 3m+8. 6. The length, breadth, and height of a room are 8 m 50 cm, 6 m 25 cm and 4 m 75 cm respectively. Find the length of the longest rod that can measure the dimensions of the room exactly. (2015) A) 25 m. B) 65 cm. C) 25 cm. D) 6.5 m. Show Answer Correct Answer: C) 25 cm. 7. The LCM and HCF of two rational numbers are equal, then the numbers must be A) Prime. B) Co-prime. C) Composite. D) Equal. Show Answer Correct Answer: D) Equal. 8. Calculate the quotient of 10 and-2 A) 3. B) 0. C) -5. D) 2. Show Answer Correct Answer: C) -5. 9. A never ending decimal that doesn't repeat is which type of number? A) Rational. B) Irrational. C) Integer. D) Whole. Show Answer Correct Answer: B) Irrational. 10. Four bells toll at intervals of 10 s, 15s, 20s and 30s respectively.If they toll together at 10:00 am at what time will they toll together for the first time after 10am? A) 10:01 am. B) 10:02 am. C) 10:00:30am. D) 10:00:45am. Show Answer Correct Answer: A) 10:01 am. 11. The exponent of 2 in the prime factorisation of 144, is A) 4. B) 5. C) 6. D) 3. Show Answer Correct Answer: A) 4. 12. All irrational numbers are A) Natural. B) Whole. C) Integer. D) Real. Show Answer Correct Answer: D) Real. 13. Which statement is NOT true? A) 0.121212 is a rational number. B) 0.34353637 is an irrational number. C) 8.14 is a rational number. D) 5.12345 is an irrational number. Show Answer Correct Answer: B) 0.34353637 is an irrational number. 14. 12n ends with the digit 0 or 5 for natural number n A) 2. B) 3. C) NO VALUE. D) 5. Show Answer Correct Answer: C) NO VALUE. 15. In every case, LCM is a multiple of HCF A) True. B) False. C) Maybe. D) Cannot predict. Show Answer Correct Answer: A) True. 16. If 'a' and 'b' are co-prime, then a$^{2}$ and b$^{2}$ are A) Co-prime. B) Not co-prime. C) Odd numbers. D) Even numbers. Show Answer Correct Answer: A) Co-prime. 17. Which if these is rational number? A) $3\pi$. B) $5\sqrt[]{5}$. C) 0.3466666. D) 0.345210651376643 . Show Answer Correct Answer: C) 0.3466666. 18. To enhance the reading skills of grade X students, the school nominates you and two of your friends to set up a class library.There are two sections.-Section A and Section B of grade X.There are 32 students in Section A and 36 students in Section B.Based on the above information answer the following questions. $7\times11\times13\times15+15$ A) Prime number. B) Composite number. C) Neither prime nor composite. D) None of the above. Show Answer Correct Answer: B) Composite number. 19. LCM of (2$^{3}$x3x5) and (2$^{4}$x5x7) ..... A) 40. B) 560. C) 1120. D) 1680. Show Answer Correct Answer: D) 1680. 20. HCF of 8, 9, 25 is A) 8. B) 9. C) 25. D) 1. Show Answer Correct Answer: D) 1. 21. Find the period of decimal0.3333 ..... A) 3. B) 1. C) 4. D) 0.3. Show Answer Correct Answer: B) 1. 22. Solve:$13^{\frac{1}{5}}\times7^{\frac{1}{5}}$ A) $20^{\frac{1}{5}}$. B) $91^{\frac{2}{5}}$. C) $91^{\frac{1}{5}}$. D) $91$. Show Answer Correct Answer: C) $91^{\frac{1}{5}}$. 23. The decimal expansion of a number is terminating then it is A) Irrational. B) Rational. C) All the above. D) None of the above. Show Answer Correct Answer: B) Rational. 24. Rational numbers can always be written as a ..... A) Fraction. B) Decimal. C) Negative number. D) Whole number. Show Answer Correct Answer: A) Fraction. 25. The value of 4c is greater than the value of c. A) Always. B) Sometimes. C) Never. D) None of the above. Show Answer Correct Answer: B) Sometimes. ← PreviousNext →Related QuizzesClass 10 Maths Chapter 1 Real Numbers Quiz 1Class 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 10Class 10 Maths Chapter 1 Real Numbers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books