Question

the simple interest on a certain sum of money for 2 years at 5 and half percent is Rs 6,600

Answer 1

6600=2×11/2×p/100
600×100=p
P=60000rs

Answer 2

Hey mate! Here is your answer.
Time = 2 yrs.
Rate = 5+1/2%
=11/2%
S.I.= ₹6600
P= 6600×100×2/2×11
=600×100
=₹60000