This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Expand the logarithm expressionlog 6x$^{3}$y A) Log 6x$^{3}$ + log y. B) Log 6 + log x$^{3}$ + log y. C) 3 log 6 + log x + log y. D) Log 6 + 3log x + log y. Show Answer Correct Answer: D) Log 6 + 3log x + log y. 2. LCM of 2 and 3 is A) 2. B) 3. C) 5. D) 6. Show Answer Correct Answer: D) 6. 3. The largest number which divides 70 and 125 leaving the reminders 5 and 8 respectively is ..... A) 13. B) 65. C) 875. D) 1750. Show Answer Correct Answer: A) 13. 4. Which of the following is a pair of co-primes? A) (14, 35). B) (18, 25). C) (31, 93). D) (32, 62). Show Answer Correct Answer: B) (18, 25). 5. How many square roots does the number 20 have? A) 0. B) 1. C) 2. D) None of the above. Show Answer Correct Answer: C) 2. 6. For some integer m, every even integer is of the form A) 2m. B) 2m-1. C) All the above. D) None of the above. Show Answer Correct Answer: A) 2m. 7. A non-terminating decimal is which type of number? A) Rational. B) Irrational. C) All the above. D) None of the above. Show Answer Correct Answer: B) Irrational. 8. If A = 2n + 13, B = n + 7, where n is a natural number then HCF of A and B is: A) 2. B) 1. C) 3. D) 4. Show Answer Correct Answer: B) 1. 9. Ex 1. Add. 3+(-7) A) -4. B) -10. C) 10. D) 4. Show Answer Correct Answer: A) -4. 10. Which of the following is NOT a true statement? A) 47 < 74. B) 20% = $\frac{1}{5}$. C) 1.43 > 0.4. D) $\frac{3}{4}$ $\frac{1}{2}$. Show Answer Correct Answer: D) $\frac{3}{4}$ $\frac{1}{2}$. 11. Decimal representation of an irrational number is always A) Terminating. B) Non terminating recurring. C) Non terminating non-recurring. D) Can't predict. Show Answer Correct Answer: C) Non terminating non-recurring. 12. How would you write 4.3756 x 10$^{4}$ in standard form? A) 437, 560, 000. B) 4375.6. C) 0.00043756. D) 43, 756. Show Answer Correct Answer: D) 43, 756. 13. Eason is making activity baskets to donate to charity. She has 12 coloring books and 36 crayons. What is the greatest number of baskets she can make if each type of toy is equally distributed among the baskets? A) 2. B) 12. C) 36. D) 6. Show Answer Correct Answer: B) 12. 14. Amita, Sneha, and Raghav start preparing cards for all persons of an old age home. In order to complete one card, they take 10, 16 and 20 minutes respectively. If all of them started together, after what time will they start preparing a new card together? (2013) A) 2 minutes. B) 1 hour. C) 45 minutes. D) 80 minutes. Show Answer Correct Answer: D) 80 minutes. 15. Which of the following statements is always true? A) All integers are whole numbers. B) All rational numbers are integers. C) Some whole numbers are not rational numbers. D) All whole numbers are integers. Show Answer Correct Answer: D) All whole numbers are integers. 16. For some integer 'a' every even integer is of the form: A) A+1. B) 2a. C) A. D) 2a + 1. Show Answer Correct Answer: B) 2a. 17. Is 2 a natural number? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. HCF of 96 and 404 is equal to ..... A) 2. B) 3. C) 5. D) 4. Show Answer Correct Answer: D) 4. 19. $\left(3^{\frac{1}{2}}\right)^{\frac{1}{3}}$ A) $3^{\frac{1}{2}}$. B) $3^{\frac{1}{3}}$. C) $3^{\frac{1}{5}}$. D) $3^{\frac{1}{6}}$. Show Answer Correct Answer: D) $3^{\frac{1}{6}}$. 20. -0.775 is a A) Irrational Number. B) Whole Number. C) Integer. D) Rational Number. Show Answer Correct Answer: D) Rational Number. 21. LCM & HCF of three numbers 2$^{3}$x3$^{5}$x5$^{2}$, 3$^{3}$x5$^{3}$ and 2$^{5}$x5$^{3 }$are A) LCM = 2$^{3}$x3$^{5}$x5$^{2 }$AND HCF = 2$^{3}$x3$^{5}$x5$^{2}$. B) LCM = 2$^{3}$x3$^{5}$x5$^{3 }$AND HCF = 2$^{3}$x3$^{3}$x5$^{2}$. C) LCM = 5$^{3 }$and HCF = 2$^{3}$x3$^{3}$x5$^{2}$. D) LCM = 2$^{5}$x3$^{5}$x5$^{3 }$and HCF = 5$^{2}$. Show Answer Correct Answer: D) LCM = 2$^{5}$x3$^{5}$x5$^{3 }$and HCF = 5$^{2}$. 22. Classify 15 in the real number system. A) Natural, Whole, Integer, Rational. B) Irrational. C) Natural, Whole, Rational, Irrational. D) None of the above. Show Answer Correct Answer: A) Natural, Whole, Integer, Rational. 23. Ex 1. Add.-3+(-11) A) -8. B) -14. C) 14. D) 8. Show Answer Correct Answer: B) -14. 24. If two positive integers p and q can be expressed as p = ab$^{2}$ and q = a$^{3}$b; a, b being prime numbers, then LCM (p, q) is A) Ab. B) $ab^2$. C) $a^3b^2$. D) $a^3b^3$. Show Answer Correct Answer: C) $a^3b^2$. 25. 2$^{1/5 }$multiplied with 2$^{2/3}$ we will get A) None. B) 2$^{2/15}$. C) 2$^{13/15}$. D) 2$^{3/10}$. Show Answer Correct Answer: C) 2$^{13/15}$. ← 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 9Class 10 Maths Chapter 1 Real Numbers Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books