# Most Important Questions for Class 10 Maths Board Exam 2023 PDF

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## Most Important Questions for Class 10 Maths Board Exam 2023

CBSE Class 10 Mathematics curriculum consists of a theory-written paper of 80 marks and an internal assessment worth 20 marks. There are seven units in the syllabus wherein each unit encompasses several other sub-topics.

we have linked the important questions with answers for each chapter in CBSE Class 10 Maths for 2022-23. Each article is prepared separately with various Multiple choice questions, Objective type questions, short answer questions for 2 marks, short answer questions for 3 marks, long answer questions, and case study questions.

### Most Important Questions for Class 10 Maths Board Exam 2023

Q1. HCF of 8, 9, 25 is

a) 8

b) 9

c) 25

d) 1

Q.2. The product of a rational and irrational number is

a) Rational

b) Irrational

c) both of above

d) none of above

Q3. L.C.M. of 23 × 32 and 22 × 33 is :

a) 23

b) 33

c) 23 × 33

d) 22 × 32

Q4. State fundamental theorem of arithmetic

Q5. The product of a non-zero number and an irrational number is:

a) always irrational

b) always rational

c) rational or irrational

d) one

Q6. If p and q are two coprime numbers, then find the HCF and LCM of p and q.

Q7. Prime factorization of 120 is …

Q8. Find the LCM of smallest prime and the smallest odd composite natural number

Q9. If HCF (26, 169) = 13, then LCM (26, 169) is …

a) 26

b) 52

c) 338

d) 13

Q10. If the LCM of a and 18 is 36 and the HCF of a and 18 is 2, then a =?

a) 2

b) 3

c) 4

d) 1

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