In what time Rs. 6000 will give interest of Rs. 720 at the rate of 6% p.a. S.I.?

Question	In what time Rs. 6000 will give interest of Rs. 720 at the rate of 6% p.a. S.I.?
Type	multiple_choice
Option	1.5 years	incorrect
Option	2 years	correct
Option	2.5 years	incorrect
Option	3 years	incorrect

Principal = Rs. 6000

Interest = Rs. 720

Rate of interest = 6%

Time or number of years =?