Easy NCERT Solutions For Class 10 Maths Real Numbers Exercise 1.2

 NCERT Solutions For Class 10 Maths Chapter 1 Real Number Ex. 1.2 .

 

Here you  will get  NCERT Solutions for Class 10 Maths Chapter 1 Ex. 1.2. NCERT Class 10 Maths Real Number Solutions will help you a lot while  solving the exercises for preparation of your exams.  You will get the solutions of all the exercises of NCERT   Maths Class  10 Chapter 1 Real Number on this page.

 

Also Read:

• NCERT Solutions For Class 10 Maths Real Numbers Exercise 1.1

• NCERT Solutions For Class 10 Maths Real Numbers Exercise 1.3
  
  
•  NCERT Solutions For Class 10 Maths Real Number Execise 1.4
   
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• ICSE Class 10 Chemistry Study of Compound Sulphuric Acid IITian's Notes
  
  
• ICSE Class 10 Organic Chemistry IITian's Notes

 

As we all know, Maths is a  very gruelling subject and it takes a lot of time to  solve just one exercise,  but  it's a nature of math that every student get stuck at  some questions. Sometimes times it feels like  let's skip this question, why waste time on just one question.

 

But now you don't need to skip any question because our expert teachers have solved all the questions for you and we have done our work by  uploading the  solutions of all exercises on this page. 

 All the Chapter 1 Class 10 Maths NCERT Solutions Ex. 1.2  has been  prepared by very experienced  Mathematics teachers, who have 5-6 years of  teaching experience in leading schools.

 

We have provided here very    detailed and step-by-step answers of the all questions of Chapter 1 Maths provided in  NCERT Maths Textbook.

 

Students are advised to sit with a pen and notepad and not just copy the solutions. Try to solve the questions yourself first and if you get stuck, then look at the solutions provided here.

 

Solutions Of Exercise  1.2

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Ex 1.2 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
 

Solution:

Ex 1.2 Class 10 Maths  Question 2.

 

Find the LCM and HCF of the following pairs of integers and verify that LCM x HCF = Product of the two numbers:
(i) 26 and 91
(ii) 510 and 92
(iii) 336 and 54
 

Solution:

Ex 1.2 Class 10 Maths  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
 

Solution:

Ex 1.2 Class 10 Maths  Question 4:

 

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

Ex 1.2 Class 10 Maths  Question 5.

 

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

 

Solution:

 

Ex 1.2 Class 10 Maths  Question 6.

 

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

 

Ex 1.2 Class 10 Maths  Question 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?
 

Solution: