What should come in place of the question mark '?' in the following number series?
5, 13.5, 30.5, 64.5, 132.5, ?
1
248.5
2
258.5
3
268.5
4
278.5
5
288.5
What should come in place of the question mark '?' in the following number series?
5, 13.5, 30.5, 64.5, 132.5, ?