EASY
8th CBSE
IMPORTANT
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If a number is divisible by 3, it must be divisible by 9.

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Important Questions on Playing With Numbers

EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 5 - Playing With Numbers>EXERCISE>Q 13
If a number is divisible by 9, it must be divisible by 3.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 5 - Playing With Numbers>EXERCISE>Q 13
If a number is divisible by 4, it must be divisible by 8.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 5 - Playing With Numbers>EXERCISE>Q 13
If a number is divisible by 8, it must be divisible by 4.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 5 - Playing With Numbers>EXERCISE>Q 13
A number is divisible by 18, if it is divisible by both 3 and 6.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 5 - Playing With Numbers>EXERCISE>Q 13
If a number is divisible by both 9 and 10, it must be divisible by 90.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 5 - Playing With Numbers>EXERCISE>Q 13
If a number exactly divides the sum of two numbers, it must exactly divide the numbers separately.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 5 - Playing With Numbers>EXERCISE>Q 13
If a number divides three numbers exactly, it must divide their sum exactly.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 5 - Playing With Numbers>EXERCISE>Q 13
If two numbers are co-prime, at least one of them must be a prime number.