(a) P = ₹1800 R = 5% T = 1 year (90, 1890)
(b) P = ₹2600 R = 12% T = 3 years (936, 3536)
(c) P = ₹3125 R = 15% T = 73

(a) P = ₹1800 R = 5% T = 1 year (90, 1890)
(b) P = ₹2600 R = 12% T = 3 years (936, 3536)
(c) P = ₹3125 R = 15% T = 73 days (93.75, 3218.75)
(d) P = ₹5660 R = 11% T = 9 months (466.95, 6126.95)
2. What sum would yield an interest of ₹36 in 3 years at 3% p.a.? (400)
3. At what rate per cent per annum will ₹250 amount to ₹330 in 4 years? (8%)
4. In what time will ₹400 amount to ₹512 if the simple interest is the calculated at
14% p.a.? (2 years)
5. A sum amount to ₹2400 at 15% simple interest per annum after 4 years. Find the
sum. (1500)
6. Ken borrowed ₹2000 from Sam at 8% per annum. After 6 year he cleared the
amount by giving ₹2600 cash and a watch. Find the cost of the watch. (360)
7. In how many years will ₹400 yield an interest of ₹112 at 14% simple interest? (2
years)
8. In how many years will ₹12000 yield an interest of ₹13230 at 10% simple
interest? (111/40 years)
9. At what rate of simple interest will ₹5000 amount to ₹6050 in 3 years, 4
months? (6.3%)
10. Find the simple interest at the rate of 5% p.a. for 3 years on that principal which in
4 years, 8 months at the rate of 5% p.a. gives ₹1200 as simple interest. (₹771.43)
11. At what rate per cent per annum will ₹4000 yield an interest of ₹410 in 2
years? (51/8%)
12. Simple interest on a sum of money at the end of 5 years is 4/5 of the sum itself.
Find the rate per cent p.a.(16%)