Answers

2015-08-01T14:00:39+05:30
990,7890,26970,63960,124950.............
Plz mark as best 
plz

2 5 2
how this answer came
Its a series of n^3 - n
where n is the first number of the series
like 10 cube-10 we will get 990, 20cube -20 we will get 7890 , 30cube - 30 we will get 26970..................
now plz mark as the best