The salary of P, Q and R are in the ratio of 3 : 4 : 5. The salary of P, Q and R together is Rs. 33600 by what per cent is the salary of R more than that of P ?

Two equal circles of radius 4 cm intersect each other such that each passes through the center of the other. The length of the common chord is

Directions : The graph shows the demand and production of different companies. Study the graph and answer the following questions.

What is the second large demand company?

If the compound interest on a certain sum for 2 years at 4% p.a. is Rs. 102, the simple interest at the same rate of interest for two years would be:

Directions : Study the following frequency polygon and answer the questions. Given a line graph showing the number of students passed in Higher Secondary Examination in a school over the years 2008 to 2013.

The increase in percentage of passed students from 2008 to 2011 approximately is 

Of the three numbers whose average is 60, the first is one-fourth of the sum of the whole number. The first number is: 

Find the area of the largest triangle made in a semicircle of r cm radius?

Find the distance travelled by a 40 cm diameter wheel to cover a distance of 176 meters? Using (π=22/7)