EASY
10th CBSE
IMPORTANT
Earn 100

Using prime factorization, find the HCF and LCM of 12,15, 21.

Important Questions on Real Numbers

EASY
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 2
Using prime factorization, find the HCF and LCM of 17, 23, 29.
EASY
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 2
Using prime factorization, find the HCF and LCM of 24, 36, 40.
EASY
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 2
Using prime factorization, find the HCF and LCM of 30, 72, 432.
EASY
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 2
Using prime factorization, find the HCF and LCM of 21, 28, 36, 45.
EASY
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 3
The HCF of two numbers is 23 and their LCM is 1449. If one of the numbers is 161, find the other.
EASY
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 4
The HCF of two numbers is 145 and their LCM is 2175. If one of the numbers is 725, find the other.
EASY
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 5
The HCF of two numbers is 18 and their product is 12960. Find their LCM.
EASY
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 6
Is it possible to have two numbers whose HCF is 18 and LCM is 760? Give reason.