A person borrows Rs 20000 at the rate of 6 percent per annum on simple interest for 3 years. He immediately lends it to another person at the rate of 8.5% percent per annum on simple interest for 3 years. what is the value of gain per year?

OPTIONS A) Rs 200 B) Rs 800 C) Rs 500 D) Rs 1500 Amount 20000Interest 6 %duration 3 yearsFormula PTR/100 on substitution 20000X6X3/100 answer 3600 Amount 20000Interest 8.5%duration 3 yearsFormula PTR/100 on substitution 20000X8.5X3/100 answer = 5100 3600 5100 difference between this is profit= 5100-3600 = 1500 1500 profit for 3 years, then 500 per … Read more

A train starts from a place S at 10.00 am and arrives at another phase T at 2.30 pm on the same day. If the speed of the train is 40m/s then what will be the distance covered by the train?

Options A) 706 B) 648 C) 726 D) 616 Solution Train starts from place S, 10 Am Stops at T at 2.30 Am Total time taken from 10Am to 2.30 pm is 4.1/2 hrs Speed of the train is 40 m/s First should convert m/s to km/r, by multiply with 18/5 40× 18/5 = 144 … Read more

To complete a wall, X takes 50 % more time than Y. If together they complete the wall in 15 days, then how much time will X alone takes to complete it

options A) 42.5 Days B) 40 Days C) 36.5 Days D) 37.5 Days Detailed solution Lets take it as 100, then X = 150 Y = 100 X/Y = 150/100 = 3/2 Efficiency of work are in above ratio. ( Efficiency is always inversely proportion to time) Total work = 15 days ( 2+3) unit … Read more