If (tanA ­- tanB)/(1 + tanAtanB) = x, then the value of x is

If cos ­-11π/6 = x, then the value of x is

The radius of a hemisphere is 14 cm, find its volume?

The diameter of a circle is equal to the side of the square. What is the area of the square if the area of the circle is 64π sq cm?

The total cost of a microwave oven with mixer was Rs 36750. The mixer was sold at a profit of 32% and the microwave oven at a loss of 22%. If the sale price was the same in both the items, then the cost price of the cheaper item was _____.

When a number is increased by 21, it becomes 114% of itself. What is the number?

A hexagonal prism has 18 edges. How many vertices does it have?

What is the slope of the line parallel to the line passing through the points (6,­3) and (2,­1)?