For the following questions answer them individually
With a uniform speed, a car covers a distance in 6 hours. Had the speed been increased by 10 km/h, the same distance could have been covered in 5 hours. The distance covered by the car is:
When the speed of a train is decreased by 25%, it takes 42 minutes more to cover the same distance. What is the time (in hours) taken by the train to cover the same distance with its actual speed?
The compound interest on a certain sum for 2 years at 10% per annum is ₹651 (interest compounded yearly). The simple interest on the same sum for double the time at half the rate of interest per annum is:
A and B undertake to do a job for ₹6,000. A can do it in 10 days and B can do it in 12 days. With the assistance of C, they finish the work in 4 days. How much should C be paid for his work?
A sum of money is distributed among P, Q and R in the ratio 13 : 17 : 25, respectively. If R gets ₹6,800 more than Q, then the difference between P's share and Q's share is:
A man borrows ₹15,000 at 15% p.a. compoundd interest. At the end of every year, he pays ₹2,500 as part repayment.
How much does he still owe after three such instalments?
When a plot is sold for ₹34,080, the owner loses 20%. At what price must that plot be sold in order to gain 20%?
25 and 750 are the highest common factor and the lowest common multiple of two numbers, respectively. If one of the two numbers is 75, find the other number.
The average of five consecutive even numbers is 36. If the next five consecutive odd numbers are included, then what is the average of all the numbers?