Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 25 m/s. Train Q starts from Dehradunto Lucknowat 1:35 pm with an average speed of 20 m/s. At what time the two trains will meet each other if the distance between Lucknowand Dehradunis 595 Km.
Speed of train P = 25 × 18/5 = 90 Km/h Speed of train Q = 20 × 18/5 = 72 Km/h Distance travelled by train P till 1:35 pm = 90 × 5/3 = 150 Km Relative speed of trains = 90 + 72 = 162 Km/h Remaining distance to be travelled after 1:35 pm = 595 – 150 = 445 Km Time taken to cover 445 Km = 445/162 = 11/4 = 2 hours 15 minutes So the two trains will meet each other at 1:35 + 2:15 = 3:50 pm
A man invested a certain amount of sum at 11% per annum simple interest and earned an interest of Rs. 2200 after 2 years. If the same amount is i...
A certain amount earns simple interest of Rs. 1840 after 5 years. Had the interest been 4% more, how much more interest would it have earned?
The difference between compound interest and simple interest at rate of 14% per annum for 2 years is Rs. 294. Find the simple interest obtained on same ...
In scheme A and B, Rs. ‘z’ and Rs. ‘(z+5000)’ were invested at the rate of (R-6)% and ‘R’% per annum on simple interest. After two years, th...
A certain amount earns simple interest of Rs. 1420 after 4 years. Had the interest been 5% more, how much more interest would it have earned?
A sum of money lent out at simple interest amounts to Rs.620 after 2 years and to Rs.1220 after a further period of 4 years. The sum is:
Anil initiated his financial journey by investing Rs. 7500 in a Contra fund, which offered a simple interest rate of 18% per annum for a duration of 2 y...
Sunil invested Rs. ‘4x’ in scheme ‘A’ offering simple interest of 25% p.a. and reinvested the interest earned from scheme ‘A’ at the end of ...
Find the period when simple interest on Rs.4000 at 6% per annum will be Rs.400.
A borrowed Rs. 5200 from B for his business. How much amount A will return to B at the end of 15 months such that the sum was borrowed at simple interes...
