Class 10 Maths Ex 1.1 Real Numbers New syllabus | Exercise 1.1 Class 10th Maths NCERT Full Exercise

Описание: Class 10 Maths Ex 1.1 Real Numbers New syllabus | Exercise 1.1 Class 10th Maths NCERT Full Exercise

This is a complete video for Exercise 1.1 class Xth Mathematics chapter 1 Real Numbers according to new syllabus prescribed by CBSE in New NCERT Book

00:00 Introduction
00:16 Ex 1.1 Q1 Express each number as a product of its prime factors:
(i) 140 (ii) 156 (iii) 3825 (iv) 5005 (v) 7429

08:22 Ex 1.1 Q2 Find the LCM and HCF of the following pairs of integers and verify that LCM × HCF = product of the two numbers
19:35 Ex 1.1 Q3 class 10 Find the LCM and HCF of the following integers by applying the prime factorisation method
24:47 Ex 1.1 Q4 Class 10 Given that HCF (306, 657) = 9 find LCM (306, 657)

26:38 ex 1.1 Q5 class 10 Check whether 6n can end with the digit 0 for any natural number n

30:33 Q6. Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composite numbers.

35:39 ex 1.1 Q7 class 10 There is a circular path around a sports field. Sonia takes 18 minutes to drive one round of the field while Ravi takes 12 minutes for the same. Suppose they both start at the same point and at the same time and go in the same direction. After how many minutes will they meet again at the starting point?


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