The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?

What is the diameter of the circle having 3 cm radius?

The area of a rectangle, 144 m long is the same as that of a square having a side 84 m long. The width of the rectangle is?

The cost of fencing a square field @ Rs. 20 per metre is Rs.10.080.How much will it cost to lay a three meter wide pavement along the fencing inside the field @ Rs. 50 per sq m

The base of a parallelogram is twice its height. If the area of the parallelogram is 338 sq.cm. Find its height?

The base of right-angled triangle is 5 meters and hypotenuse is 13 meters . Its area will be?

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