Q1. Which of the following is an irrational number?
Q2. What is HCF(12, 18)?
Q3. According to Euclid's division lemma, for a = bq + r, which condition must be satisfied?
Q4. Which number has a terminating decimal expansion?
Q5. If HCF(a, b) = 12 and a = 60, b = 84, then LCM(a, b) =
Q6. √2 is irrational because:
Q7. The decimal expansion of 1/8 is:
Q8. Which is the fundamental theorem of arithmetic?
Q9. 0.3̄ (0.333...) as a fraction is:
Q10. HCF(15, 25, 30) is:
Q11. Which statement is true?
Q12. The product of a rational and non-zero irrational number is:
Q13. LCM(12, 16) is:
Q14. If a² is divisible by a prime p, then:
Q15. The decimal expansion of π is:
Q16. Which property is true for real numbers?
Q17. GCD and HCF are:
Q18. For numbers 24 and 36, which is correct?
Q19. 0.2̄3̄ (0.232323...) as a fraction is:
