New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 8 Percentage and Its Application Self Practice 8D Solution
(1) Find the simple interest and the amount of simple interest of
(a) Rs. 350 for 3 years at 6%
(b) Rs. 765 for 2 1 by 2 years at 5 1 by 3 percent
(c) Rs. 475 for 2 years 4 months at 4 and 1 by 2 percent.
(d) Rs. 1900 for 20 months at 6%
(e) Rs. 7300 for April 5 to June 24 at 5%
(2) Find the rate per cent p.a. when Rs. 800 yields Rs. 80 interest in 2 years.
Solution:
(3) In what times Rs. 600 will yield Rs. 48 interest at 4% p.a.?
(4) Find what sum of money will yield Rs. 231 interest in 3 years at 7% p.a.
Solution: