Find the interest on Rs. 1000 at 7% per month for 6 months.
Rs. 390
Rs. 430
Rs. 380
Rs. 420
Given; P = Rs. 1000 R = 7%, T = 6 month
I=PTR100=1000×7×6100=Rs. 420
Therefore, interest = Rs. 420
Find the interest on ₹800 at 6% per month for 10 months.