Question

How many numbers are there in the following sequence?

1, 5, 9, 13, 17,..., 201.
a) 200 numbers
b) 201 numbers
c) 50 numbers
d) 51 numbers

Answer 1

To get the number

The last number minus the first number

Divide by distance

Plus one

Last number: 201

First number: 5

Distance: 4

201-5 = 196

196.4 = 49

49 + 1 = 50