Get Started with ixamBee
Start learning 50% faster. Sign in now
Let the speed of the train be x. We know that. Speed = Distance/Time Speed after accident = 3/4 of x = 3x/4 According to the question, The time difference in covering 18 km due to change in speed = 45 - 36 = 9 min 18/(3x/4) -(18/x) =9/60 72/3x)-18/x=9/60 x = 40 km/h The original speed of the train is 40 Km/h.
Mark invested Rs 15,000 in a scheme at simple interest 20% per annum. After three years he withdrew the principal amount plus invested the entire amount...
How much time will it take for an amount of Rs.2000 to yield Rs. 640 as interest at 8% p.a. of SI?
Rs. 6,500 is invested in scheme ‘A’ offering simple interest of 14% p.a. and Rs. 9220 in scheme ‘B’ offering simple interest of 5% p.a. What is ...
The interest earned on investing Rs. 9000 for 2 years at the rate of 10% p.a., compounded annually, is used to purchase an article. If the article is la...
A certain amount earns simple interest of Rs. 1600 after 4 years. Had the interest been 6% more, how much more interest would it have earned?
A sum of money becomes ₹12,000 in 2 years and ₹14,400 in 4 years at simple interest. What is the rate of interest per annum?
What is the simple interest on a sum of Rs. 10,000 at a rate of 5% per annum for 3 years.
Suppose a specific amount is invested in a Life insurance policy at a simple interest rate of 15% per annum for 2 years, the interest earned amounts to ...
A sum of ₹8,500 amounts to ₹11,900 in 5 years at simple interest per annum. If the rate of interest is increased by 3%, then the increased amount fo...
A farmer wants to divide Rs 1,22,000 between his sons , who are 18 and 20 years old respectively, in such a way that the sum divided at the rate of 20% ...
