MEDIUM
6th Telangana Board
IMPORTANT
Earn 100

Is the following pair of numbers co-prime? 
30 and 415

Important Questions on Playing with Numbers

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6th Telangana Board
IMPORTANT
Is the following pair of numbers co-prime? 
17 and 68
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6th Telangana Board
IMPORTANT
What is the greatest prime number between 1 and 20?
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6th Telangana Board
IMPORTANT
Find the prime and composite numbers between 10 and 30.
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6th Telangana Board
IMPORTANT
The numbers 17 and 71 are prime numbers. Both these numbers have same digits 1 and 7. Find 2 more such pairs of prime numbers below 100.
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6th Telangana Board
IMPORTANT
Write three pairs of twin primes below 20.
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6th Telangana Board
IMPORTANT
Write two prime numbers whose product is 35.
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6th Telangana Board
IMPORTANT
Express 36 as the sum of two odd primes.
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6th Telangana Board
IMPORTANT
Write seven consecutive composite numbers less than 100.