Simple Interest

Question: How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest? [A]. 3.5 years [B]. 4 years [C]. 4.5 years [D]. 5 years Answer: Option B Explanation: Time = 100 x 81 years = 4 years. 450 x 4.5 Video…

Question: A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6% p.a for 2 years. Find his gain in the transaction per year. [A]. Rs. 112.50 [B]. Rs. 125 [C]. Rs. 225 [D]. Rs. 167.50 Answer: Option A Explanation: Gain in 2 years…