Question

write four pairs of prime numbers Less
than 20 whose sum is divisible by 5​

Answer 1

Answer:

prime numbers less than 20 : 2 ,3 ,5 ,7 ,11 ,13 ,17 ,19

so the four prime numbers are : 2 , 3 , 7 , 13

their sum is 25 which is divisible by 5

Answer 2

Answer:

Prime numbers less than 20 are - 2, 3, 5, 7, 11, 13, 17, 19

Four pairs of prime numbers less than 20 and their sum is divisible by 5 - 2+3=5, 7+13= 20, 2+13= 15, 5+5=10