Question

What are the two consecutive numbers that give the product of 420?

Answer 1

Answer: The answer would be 20 and 21

Explanation:

Let the first number be x and the other (x+1). The product of two consecutive numbers is 420.

So, according to the question,

On solving the above quadratic equation, we get the value of x as:

x = 20

and

(x+1) = 21

So, the two numbers are 20 and 21.

Answer 2

20 and 21 :) Explanation in photo