Question

I count on in equal steps.
My 4th Number is 39 and my 5th number is 43.

What is my first number

Answer 1

Answer:

27

Step-by-step explanation:

if I count on in equal steps means in equal number.

5 number - 4number

= 43-39 =4

then, 39-4=the 3 number

3 number -4=2 number

2 number -4=1 number

so the answer is 27

hope it helps you

Answer 2

The first number is 27.

Given:

The count is on equal steps.

4th number = 39

5th number = 43

To find:

The first number of the series.

Solution:

As we know that the steps are counted in equal numbers. The total number of steps counted is 5. The value of the 4th and 5th numbers is provided.

Using these values we need to identify the difference between the steps to find out the equal step difference.

To find equal step difference = 5th number - 4th number

To find equal step difference = 43 - 39

equal step difference = 4

To find out the other steps we need to minus 4 equal steps.

3rd number = 4th number - 4

3rd number = 39 - 4 = 35

2nd number = 3rd number - 4

2nd number = 35 - 4 = 31

1st number = 2nd number - 4

1st number = 31 - 4 = 27

Therefore, the first number is 27.

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