EASY
Lower Secondary Stage 7
IMPORTANT
Earn 100

The HCF of two numbers is 3. The LCM of the two numbers is 45.

Explain why each number is a multiple of 3.

Important Questions on Integers

EASY
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.4>Q 12

The HCF of two numbers is 3. The LCM of the two numbers is 45.

Explain why each number is a factor of 45.

MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.4>Q 12

The HCF of two numbers is 3. The LCM of the two numbers is 45.

Find the two numbers

 

EASY
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.4>Q 12

The HCF of two numbers is 3. The LCM of the two numbers is 45.

Find the two numbers. 

 

EASY
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 1
Show that the number 28572 is divisible by 3 but not by 9.
EASY
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 1
Change the final digit with the smallest number so that 28572 is divisible by 9.
EASY
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 2
Show that 57423 is divisible by 3 not by 6
EASY
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 2
The number 5742* is divisible by 6. Find the possible values of the digit *.
EASY
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 3
Show that 25764 is divisible by 2 and by 4