Braun invested a certain sum of money at 8% p.a. simple interest for 'n' years. At the end of 'n' years, Braun got back 4 times his original investment. What is the value of n	Options:	A) 55/2	B) 65/2	C) 75/2	D) 85/2	E) 95/2
PA=p   t=n   r=8%   According to question   p+(pnr/100)=4p   p[1+n8/100]=4p   n8/100=3   n=300/8   n=75/2   ANSWER:75/2
<result>C</result>
Braun invested a certain sum of money at 8% p.a. simple interest for 'n' years. At the end of 'n' years, Braun got back 4 times his original investment. What is the value of n