Maths by Vikash Sharma
Expert Educator | Class 10
EXERCISE 1.1
EXERCISE 1.2
Q1. How do we find HCF?
By prime factorization or Euclid’s algorithm.
Q2. Is √2 rational?
No, √2 is irrational.
Q3. What are real numbers?
Real numbers include all rational numbers, irrational numbers, positive numbers, negative numbers, and zero.
Q4. What is the difference between rational and irrational numbers?
Rational numbers can be written in the form p/q, where q is not zero. On the other hand, irrational numbers cannot be written in this form.
Q5. What is LCM?
LCM means Least Common Multiple. It is the smallest common multiple of two or more numbers.
Q6. What is HCF?
HCF means Highest Common Factor. It is the greatest number that divides two or more numbers exactly.