A, B and C entered into a partnership with investment in the ratio 2 : 3 : 4. After one year A doubled his investment and C withdrew half of his amount. After one more year, B doubled his investment. At the end of three years, they earned a profit of Rs.90000. find the share of A in the profit.

There are some coins and rings of either gold or silver in a box. 60% of the objects are coins, 40% of the rings are of gold and 30% of the coins are silver. What is the percentage of gold articles?

Divide Rs. 7,500 among A, B and C such that A’s share to B’s share is in the ratio 5:2 and B’s share to C’s share is in the ratio 7 : 13. How much will B receive ?

The pie chart below represents the instruments played by students of a school. Read the chart and answer the following questions based on it.

The sector angle corresponding to the Violin is 

A man crosses a diagonal of square in two minutes at the speed of 6 km./hr. Find the area of the square-

Present population of a town is 1,76,400. It increased by 5 % annually. The population of Town before 2 Years was….

Find the inradius of a triangle having sides 13, 14 and 15 units.