a video game has been developed whereby the player must earn a certain number of experience points before progressing to the next level.
on level 1, a player must earn 1 experience point.
on level 2, a player must earn 7 experience point.
on level 3, a player must earn 15 experience point.
on level 4, a player must earn 25 experience point.
How many experience points must a player earn on level 7?

Question

a video game has been developed whereby the player must earn a certain number of experience points before progressing to the next level. 
on level 1, a player must earn 1 experience point.
on level 2, a player must earn 7 experience point.
on level 3, a player must earn 15 experience point.
on level 4, a player must earn 25 experience point.
How many experience points must a player earn on level 7?

anonymous · Answer

its 67

anonymous · Answer

The difference:
Start with 6:         1  + 6 = 7
then increasing:  7  + 8  = 15
                           15  +10 = 25
                            25 + 12 = 37
.....