The following questions below the series I and series II shows the different logical patterns
Series I: 215, 345, 509, 740, 995, 1337, 1721.
Series II: 518, 527, 555, 620, 720, 963.
If the wrong number in the series I is considered as P and wrong number in series II is considered as Q. Find the value of (P - Q)
1
25
2
20
3
30
4
40
5
15