The curved surface area of a cylindrical pillar is $$ {264 m^{2}}$$ and its volume is $$ {924 m^{3}}$$. Find the ratio of its diameter to its height.

Find the area of a quadrilateral whose diagonal is 10 cm. And the length of the length put on it is 6 cm and 5 cm respectively. 

The product of two numbers is 45 and their difference is 4. The sum of squares of the two numbers is

If a=tanθ + 1 and b=sinθ+cosθ then find (b²-1)a=?

Two medians AD and BE of ∆ABC intersect G at right angle. If AD = 9 cm and BE = 6 cm, then the length of BD ( in cm ) is

A Man rows to a place 63 km far and comes back in 16 hours. He finds that he can row 18 km with the flow in the same time taken to row 14 km against the flow. What is the speed of the stream?

Reshmi and Rahul invested Rs. 6000 and Rs. 8000 in a business for 6 months and 8 months respectively. Rahul being an working partner earned 23/4% profit out of a total profit of Rs. 36000 and after this the rest of the profit was divided according to their investments. What is Rahul's profit amount?

Directions: Find the wrong number in the following number series:

0.5, 2, 1, 4, 32, 512, 16384