Find the consecutive natural numbers whose product is 20.

Find two positive numbers whose product is 20 and their sum is minimum.

Find two positive numbers whose product is 100 and whose sum is minimum.

Find two positive numbers whose product is 100 and whose sum in minimum.

The sides of a triangle are three consecutive natural numbers and its largest angle is twice the smalles one. Determine the sides of the triangle.

Take any three consecutive odd numbers and find their product, for example 1 xx 3 xx 5 = 15 , 3 xx 5 xx 7 = 105 , 5 xx 7 xx 9 -..........

The sum of the squares of two consecutive natural numbers is 113. Find the numbers.