MEDIUM
6th CBSE
IMPORTANT
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The following numbers are co-prime?

81 and 16

Important Questions on Playing With Numbers

MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 6
A number is divisible by both 5 and 12. By which other number will that number be always divisible?
EASY
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 7
A number is divisible by 12. By what other numbers will that number be divisible?
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 1
If a number is divisible by 3, it must be divisible by 9.
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 1
If a number is divisible by 9, it must be divisible by 3.
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 1
A number is divisible by 18, if it is divisible by both 3 and 6.
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 1
If a number is divisible by 9 and 10 both, then it must be divisible by 90.
EASY
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 1
If two numbers are co-primes, at least one of them must be prime.
EASY
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 1
All numbers which are divisible by 4 must also be divisible by 8.