Shyam covers a distance of 400 km in 5 hours. He traveled for some time at a speed of 85 km / h and the rest at a speed of 55 km / h. How long did he travel at high speed?

What should be added to $$ {10 \ over 11} $$ to get the sum $$ {11 \ over 10} $$?

In equation $$ {x^{2}-24x+k=0}$$ the first root is x=2 then find out  the second root of equation.

From a right cone of height h and with base radius r a cone has been cut of from the centre of the height. The volume of remaining frustum of the cone is.

The perimeter of a square and an equilateral triangle is the same if the length of the diagonal of the square is $$ {12 \ sqrt {2}} $$ cm. If, what will be the area of the triangle?

A shopkeeper allows 25% discount on his advertised price and to make a profit 25% on his outlay. What is the advertised price (in Rs.) on which he gains Rs. 6000?

What is the Area of the given Field book.

If the perimeter of a triangle is 30 cm and the area is 30 square cm, if the length of the larger side is 13 cm, then what is the length of the shorter side?