A man takes 4 hours in all to go to a market at a speed of 5 km/hour and back to his house at 3km/hour.the distance between his house and market is :

The difference between compound interest and simple interest on an amount of money in 3 years at the rate of 10% is rs.93 . Then the amount in Rs is.:

If A .B and C Working together  can do a job in 10 days . if A  and  C together can do it in 20 days and B and C Together  can do it in 15 days  IF A and B work together the nuber of days required to complete it is :

The difference between 2/3-1/5+1/7 and 2/3-(1/5+1/7)  is :

Which number should come in the place of question mark in the following number series. 9,20,33,48, ?,84,105

Find the odd pair