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Be miserable. Or motivate yourself. Whatever has to be done, it’s always your choice. – **Wayne Dyer**

# Part - 2 Lecture - 1 Chapter 1 Real Numbers

00:00:09 Meaning of HCF / GCD Method to find HCF / GCD Booklet having NCERT Exercise 1.1, NCERT Exemplar, Board’s Question Bank, Private Publishers

00:06:59 Question 1 The numbers 525 and 3000 are divisible by 3, 5, 15, 25 and 75 what is the HCF of 525 and 3000?

00:08:54 Euclid’s Division Algorithm with detailed explanation

00:31:14 Question 2 Use Euclid’s division algorithm to find the HCF of : * a.* 135 and 225

*196 and 38220*

**b.***867 and 255*

**c.**
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