MATHEMATICS TRICKS AND TIPS

TRICK FOR FINDING COMPOUND INTREST QUICKLY

just byheart this code
2year-2 1 0
3year 3 3 1
4 year 4 6 5
2.5 year 2.5 2 .5

FOR EXAMPLE
q1) find the CI of 205000 at 6%per annum for 3 years?

step1 : 205000*6/100=1230
step2: 1230*6/100=73.8
step 3:73.8*6/100=4.428
 then we go to the code 3 3 1
(1230*3)+(73.8*3)+(4.428*1)=3915.828