Monday, 1 May 2023

X CBSE MATHS CHAPTER 1 REAL NUMBER

 Q1. Express each number as a product of its prime factors:                                         (12) 

(i) 144

(ii) 7429

(iii) 3825

(iv) 5005

(v) 156

(vi) 81

Q2. Find the LCM and HCF of the following integers by the prime factorisation method.  (9) 

(i) 12, 15 and 21

(ii) 17, 23 and 29

(iii) 8, 9 and 25

Q3. Prove that √5 is irrational           (3) 

Q4. Prove that 3+√2 is irrational      (3) 

Q5. Given that HCF (306, 657) = 9 ,

 Find LCM (306, 657)                          (3) 


No comments:

Tricks

Test series Chemistry 12th Chapter 1 and 2

          Pathak’s Academy Spectrum TEST SERIES: CHEMISTRY Chapters 1,2 Section A Q.no.1) Multiple choice question     7M i) In body cente...