MEDIUM
Lower Secondary Stage 7
IMPORTANT
Earn 100

Use the digits 4,5,6 and 7 to make a number that is multiple of 11. 

Important Questions on Integers

MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 11
Show that 2521 is not divisible by any integer between 1 and 12.
MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 11
Rearrange the digits of 2251 to make a number divisible by 5.
MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 11
Rearrange the digits of 2251 to make a number divisible by 4.
MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 11
Rearrange the digits of 2251 to make a number divisible by 8.
MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 11
Find the smallest integer larger than 2521 that is divisible by 6.
MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 1 - Integers>Exercise 1.5>Q 11
Find the smallest integer larger than 2521 that is divisible by 11.
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 12
44 and 44444 are numbers where every digit is 4. Explain why any positive integer where every digit is 4 must be divisible by 2 and 4.
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 12

Here are two facts about a number:

Every digit is 4.

It is divisible by 5.

Explain why this is impossible.