What is the sum of the smallest prime and the largest prime less than 10?
Question 84
Write a rational number in which the numerator is less than ′−7×11′ and the denominator is greater than ′12+4′.
Question 11
Write five pairs of prime numbers less than 20 whose sum is divisible by 5. [Hint: 3 + 7 = 10]
Write five pairs of prime numbers less than 20 whose sum is divisible by 5.
(Hint: 3 + 7 = 10)