From the list below, form 10 pairs of co-prime numbers: 2,4,7,10,14,16,21,25

From the list below, form 10 pairs of co-prime numbers: 3, 5, 8, 9, 12, 15, 16, 28

From the list below, form 17 pairs of co-prime numbers: 3,5, 6,7, 12, 18, 24, 25

From the following numbers, form 12 pairs which are not co-prime: 2, 4, 7, 9, 10, 12, 15, 22

The median of 10 numbers is 22. Find the tenth number given that 9 of the numbers are 39, 7, 44, 10. 14, 16, 24, 35, and 29.

Mae four pairs of co-prime numbers from the following numbers: 9, 15, 20, 24, 16, 50

Which of the following pairs of numbers are co-prime? 81 and 16

From the set {2, 3, 4, 5, 6, 7, 8, 9} , how many pairs of co-primes can be formed?

A list consists of the following pairs of numbers: 51, 53; 55,57; 59,61; 63,65; 67,69; 71,73 Categorize them as pairs of: (i) co-primes (ii) primes (iii) composites

The mean of numbers is 25, seven of these 10 numbers are 13,14,15,16,17,20,21,22 and 32. Find the remaining 3 numbers if these 3 numbers are in the ratio 2 : 3 : 5

Make 5 pairs of co-prime numbers from the following numbers: 2, 6, 8 | 2, 24, 35