Ram bought a bike at 20% discount on MRP. After 1 year Ram sell the bike to Ramesh at 10% loss. After 1 year more Ramesh sell the bike at 20% profit to Ranjan. If Ranjan paid Rs. 1,29,600, then find the M.R.P. of the bike? 

What is the ratio of the simple interest earned on a certain amount at the rate of 21% per annum for 8 years to that earned on the same sum at the same rate for 21 years?  

Directions: Study the following table carefully to answer the questions that follow .
Number of soldiers ( in thousands ) joining five different forces during six different.

What is the difference between the total number of soldiers joining Air force in the year 2004, 2005 and 2008 and the number of Soldiers joining Army in the year 2008? 

A copper wire is bent in the form of an equilateral triangle and has area 121√3 cm² . If the same wire is bent into the form of a circle, the area (in cm²) enclosed by the wire is (Take pi= 22 /7)

A box contains 10 red ball, 6 green ball if 2 balls are drawn randomly what is the probability of getting non-green ball?

The angle of elevation of a tower from a distance 50 m from its foot is 30°. The height of the tower is 

What will come in place of the question mark (?) in each of the following series?

 15     12    17  10     ?    8    21     6 

The angle of elevation of the top of a building at a distance of 70 m from its foot on a horizontal plane is found to be 60°. Find the height of the building.