Question

Find two numbers whose product is a 1-digit number and the sum is a 2- digit number

Answer 1

the numbers are 9 and 1
9×1 = 9
9+1 = 10
another no are 10 and 0
10×1= 0
10+1=11

Answer 2

Answer:

1 and 9

Step-by-step explanation:

We need to find the two numbers whose product is a one digit number and the sum is a two digit number.

The approach to the question is to extract first and last digit of the number and then add and multiply the digits separately. Next, adding the sum and product of the digits of the two-digit number and comparing it to the original number. Thus, ff the numbers are same, then it is a special two-digit number, else it is not.

Thus, the possible two numbers are 1 and 9

The product of 1 and 9 = 1 × 9 = 9  and

The sum of 1 and 9 = 1 + 9 = 10

Therefore, the numbers 1 and 9 are the two numbers.