A took 15 sec. to cross a rectangular field diagonally walking at the rate of speed 52m / min and B took the same time to cross the same field along its sides walking at the rated speed 68 m / min. The area of the field is: 

The radius of a circular field is equal to the side of a square field whose perimeter is 784 feet. What is the area o the circular field?

The diagonal of a rectangle is 17 cm long and its perimeter is 46 cm. Find the area of the rectangle.

The perimeter of a triangle is equal to perimeter of a rectangle. Length of rectangle is 75% of side of a square and ratio of length to breadth of rectangle is 3 : 2. If difference between perimeter of square and that of rectangle is 36 cm, then find perimeter of triangle?

The area of a circle, is 3850 sq.m. What will be its circumference?

In circular measure, the value of the angle 11⁰15’ is : 

A rectangular sheet of metal is 40 cm by 15 cm. Equal squares of side 4 cm. are cut off at the corners and  the remainder is folded up to form an open rectangular box. The volume of the box is-

If D and E are the mid-points of the side AB and AC respectively of the ∆ABC in the figure given here, the shaded region of the triangle is what percent of the whole triangular region?