The curved surface area of a cylindrical pillar is 264 m² and its volume is 924 m³. Find the ratio of its diameter to its height.

50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is $$ {4 m^{3}}$$ , then the rise in the water level in the tank will be:

What is the area of the largest triangle that can be fitted into a rectangle of length 'l' units and width 'w' units?

The figure below is an equilateral triangle with sides of length 6. What is the area of the triangle?

In the given figure, the ratio of the area of the largest square to that of the smallest square is:

A train travels the distance between station P and Q at a speed of 126 km/h, while in the opposite direction it comes back at 90 km/h. Another train travels the same distance at the average speed of the first train. The time taken by the second train to travel 525 km is:

The difference between the selling prices of some articles if sold for Rs.12 per article instead of Rs.9 per article is Rs.150. If the sold price of these articles is Rs.250 then find the selling price of 21 articles if profit earned is 20%.

 If x+y=14: x³+y³=1064, then the value of (x-y)² is: