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Exercise 1.2class 10 Maths NCERT Solutions Chapter 1 Real Numbers

Class 10 Maths NCERT Solutions Chapter 1: Real Numbers is developed and witten by our expert teachers. Students can study our solutions of Chapter 1: Real Numbers class 10 Maths, Question 1. Express each number as a product of its prime factors: (i) 140 (ii) 156 (iii) 3825 (iv) 5005 (v) 7429, Question 2. Find the LCM and HCF of the following pairs of integers and verify that LCM × HCF = product of the two numbers. 26 and 91 (ii) 510 and 92 (iii) 336 and 54, Question 3. Find the LCM and HCF of the following integers by applying the prime factorization method. (i) 12, 15 and 21 (ii) 17, 23 and 29 (iii) 8, 9 and 25, Question 4. Given that HCF (306, 657) = 9, find LCM (306, 657)., Question 5. Check whether 6n can end with the digit 0 for any natural number n., Question 6. Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composite numbers., 7. 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?.

NCERT Solutions Class 10 Maths
Chapter 1: Real Numbers
Exercise 1.2 Answers

=Question 1. Express each number as a product of its prime factors: (i) 140 (ii) 156 (iii) 3825 (iv) 5005 (v) 7429

Question 1. Express each number as a

=Question 2. Find the LCM and HCF of the following pairs of integers and verify that LCM × HCF = product of the two numbers. 26 and 91 (ii) 510 and 92 (iii) 336 and 54

Question 2. Find the LCM and HCF of the

=Question 3. Find the LCM and HCF of the following integers by applying the prime factorization method.
(i) 12, 15 and 21 (ii) 17, 23 and 29 (iii) 8, 9 and 25

Question 3. Find the LCM and HCF of the

=Question 4. Given that HCF (306, 657) = 9, find LCM (306, 657).

Question 4. Given that HCF (306, 657) =

=Question 5. Check whether 6n can end with the digit 0 for any natural number n.

Question 5. Check whether 6n can end

=Question 6. Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composite numbers.

Question 6. Explain why 7 × 11 × 13 +

=7. 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?

7. There is a circular path around a

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