In what time will Rs.4000 lent at 3% per annum on simple interest earn as much interest as Rs.5000 will earn in 5 years at 4% per annum on simple interest?
Options:
(A) 5 years
(B) 6 years
(C) 7 years
(D) 9 years
(E) 15 years Think first, then make a decision. Some random thoughts:
(4000*T*5)/100 = (5000*5*4)/100
T = 5 years So the answer is (A).