Diagram of the Adjacent picture frame has outer dimensions =`24 cm xx 28 cm` and inner dimensions `16 cm xx 20 cm`.Find the area of each section of the frame,if the width of each section is same.

A wooden box open at the top has its outer dimensions 2.5cmxx9cmxx10cm and its thickness is 0.5 cm. find the volume of wood used.

A slide projector gives a magnification of 10. If a slide of dimensions 3 cm xx 2 cm is projected on the screen, the area of the image on the screen is :

Find the area of a ring whose outer and inner radii are 12 cm and 10cm respectively.

An isosceles triangle has perimeter 30 cm and each of the equal sides is 12 cm. Find the area of the triangle.

An isosceles triangle has perimeter 30 cm and each of the equal sides is 12 cm. Find the area of the triangle.

Shanti Sweets Stall was placing an order for making cardboard boxes for packing their sweets. Two sizes of boxes were required. The bigger of dimensions 25cmxx20xx5cm and the smaller of dimensions 15 cmxx12xx5cm. For all the overlaps, 5% of the total surface area is required extra. If the cost of the cardboard is Rs 4 for 1000cm^(2) , find the cost of cardboard required for supplying 250 boxes of each kind.

A triangle and a parallelogram have the same base and the same area . If the sides of triangle are 26 cm, 28 cm and 30 cm , and the parallelogram stands on the base 28 cm, find the height of the parallelogram.

A right circular cylinder has base radius 14 cm and height 21 cm. Find its area of base (or area of each end)

A paper is in the form of a rectangle with dimensions 20cm and 14cm. A semicircular portion 14cm in diameter is cut off. Find the area of the remaining part.