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6th CBSE
IMPORTANT
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If an even number is divided by 2, the quotient is always odd.

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Important Questions on Playing With Numbers

MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 2
All prime numbers are odd.
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 2
Prime numbers do not have any factors.
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 2
The sum of two prime numbers is always even.
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6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 2
2 is the only even prime number.
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6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 2
All even numbers are composite numbers.
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6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 2
The product of two even number is always even.
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 3
The numbers 13 and 31 are prime numbers. Both these numbers have same digits 1 & 3. Find such pairs of prime numbers upto 100.
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>NCERT Section>Q 4
Write down separately the prime and composite numbers less than 20.