short cut to find comp. interest for 2 &3 yrs. remember code 3 3 - TopicsExpress



          

short cut to find comp. interest for 2 &3 yrs. remember code 3 3 1 for 3 yrs and 2 1 0 for 2yrs. for,eg. p is 8000,and r is 5% 1st find 8000*5/100=400 2nd step 400 * 3=1200.....eq1 next find 400*5/100=20 next 20 * 3=60.....eq.2 next find 20*5/100=1 then do 1*1=1......eq.3 and last step add eq.1, &3 we get 1261....that will be right ans... and for 2 yrs use code 2 1 0 we can find c i without squaring or cubing...
Posted on: Wed, 04 Dec 2013 19:17:26 +0000

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