$$ {tan^2θ}$$ is equal to:-

The ratio of the volume of right circular cylinder and a right circular cone of the same base and height will be:

What is the equation of the line whose y-intercept is -3/4 and making an angle of 45 ° with the positive x-axis? 

The upper part of a tree is broken over by the wind makes an angle of 60 ° with the ground. The distance between the root and the point where top of the tree touches the ground is 25 metres. What was the height (in metres) of the tree? 

If the product of two numbers is 4941 and their LCM is 81, then their HCF is:

A cylindrical well of depth 21 m with internal radius of 13 m is dug up. The mud, so detained, is spread evenly to form a platform of dimension 52 × 13.2. What is the height of the platform?

A buys a water cooler at some price and sells it to B at 20% profit. B sells it to C at 10% profit. If C bought it for Rs 6666, then B's cost price is

In a regular polygon, the exterior and interior angles are in the ratio 1 : 4. The number of sides of the polygon is