Henry gives a certain amount to his friend at 12% p.a. simple interest. If he wants to get thrice the amount given how many years does it take? Select the correct option:	A) 16 years 8 months	B) 12 years	C) 10 years 7 months 4 days	D) 15 years	E) 20 years
Solution: simple interest question   B=A[1+ (tr/100)]; where A is principal amount, B final amount, t time in years and r interest rate   after putting the values 12   3= [1+(12t/100)]   t= 50/3 which is (48+2)/3= 16 + 2/3 means 16 years and   (12*2)/3= 
<gadget id="calculator">  (12*2)/3</gadget>
<output>8</output>
8 months.   16 years 8 monthsnswer is 16 years 8 months
<result>A</result>
Henry gives a certain amount to his friend at 12% p.a. simple interest. If he wants to get thrice the amount given how many years does it take?