EASY
7th ICSE
IMPORTANT
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When two consecutive odd numbers are primes, then they are called twin primes. 3,5 and 5,7 are two pairs of twin primes, then find the missing twin prime for 29.

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Important Questions on Factors and Multiples

EASY
7th ICSE
IMPORTANT
When two consecutive odd numbers are primes, then they are called twin primes. 3,5 and 5,7 are two pairs of twin primes, then find the missing twin prime for 41.
EASY
7th ICSE
IMPORTANT

When two consecutive odd numbers are primes, then they are called twin primes. Example: 3, 5 and 5, 7 are two pairs of twin primes.

Find the missing twin prime for 73.

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7th ICSE
IMPORTANT
When two consecutive odd numbers are primes, then they are called twin primes. 3,5 and 5,7 are two pairs of twin primes, then find the missing twin prime for 103.
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7th ICSE
IMPORTANT

Write 9 as the sum of two primes.

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7th ICSE
IMPORTANT

Write 13 as the sum of two primes.

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7th ICSE
IMPORTANT

Write 19 as the sum of two primes.

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7th ICSE
IMPORTANT

Write 28 as the sum of two primes.

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7th ICSE
IMPORTANT

Write 48 as the sum of two primes.