Question

I am an even number less than 100. One of my factors is 13. My digits are 1 apart. What number am I?
The answer could be 78 but how?

Answer 1

Answer:

78

Step-by-step explanation:

6×13=78

7-8=1

less than 100

Answer 2

Answer:

65 and 78

Step-by-step explanation:

Given:- The number is an even number less than 100. It is one of the factors of 13 and it's digits are 1 apart.

To Find:- Find the number.

Solution:-

The first statement of the question says that it's an even number less than 100.

As it is a factor of 13, so it will be greater than 13.

Writing table of 13 for product less than 100,

13 × 1 = 13

13 × 2 = 26

13 × 3 = 39

13 × 4 = 52

13 × 5 = 65

13 × 6 = 78

13 × 7 = 91

13 × 8 = 104

Now, the next condition of the question is that the number must have digits whose difference is 1.

We can see from the table that 65 and 78 have a difference of 1 between both the digits.

Therefore, 65 and 78 are the numbers.

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