Question

Which is the correct Arithmetic Sequence formula for the following pattern: 45, 50, 55, 60, 65, 70...

1. 45 + (n - 1)5
2. 5 + (n - 1)5
3. 5 + (n - 1)10
4. 45 + (n - 1)10

Answer 1

The correct arithmetic sequence formula is 45+(n-1)5

Answer 2

The answer is option 1.

The picture above shows the formula of arithmetic sequence.