In two successive years the interest on a certain sum at CI payable annually is 350/- and 420/-.Find the rate of interest
Answers
Answered by
1
Answer:
Rate is 20%
Step-by-step explanation:
CI for 1 year R=350 (1)
CI for 2nd year 2R+R^2/100=420 (2)
by diving (1) by (2)
R/2R+R^2/100=350/420
6R=5R(1+R/100)
600=500+5R
R=20%
Similar questions