The perimeter of a floor of a room is 18m.What is the area of four walls of the room if it; a height is 3m?

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The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?

A. 40 B. 50 C. 120 D. None of These...

A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be________?

A. 12 m, 10 m B. 13 m, 12 m C. 14 m, 11 m D. 15 m, 10 m...

The perimeter of a semi circle is 144 cm then the radius is_________?

A. 25 cm B. 28 cm C. 30 cm D. 35 cm...

The length of a hall is (4/3) times its breadth. If the area of the hall be 300 square meters the difference between the length and breadth is__________?

A. 15m B. 4m C. 3m D. None of these...

The length of a rectangular increased by 10% and it;s breadth is decreased by 10 %. Then the area of the new rectangle is_________?

A. Neither increased nor decreased B. Increased by 1% C. Decreased by 1% D. Decreased by 10%...