Arithmetic Aptitude :: Area
- A 20 m long, and 15 m broad hall is surrounded by a verandah with a uniform width of 2.5 m. Find the cost of flooring the verandah at Rs. 3.50 per square meter.
- The height of a room to its semi-perimeter is 2: 5. It costs Rs. 260 to paper the walls of the room with paper 50 cm wide at Rs. 2 per meter allowing an area of 15 cm2 for doors and windows. The height of the room is
- The area of a rectangular plot is increased by 30% and its width remains as it was before. What will be the ratio between the area of the new rectangle and the original rectangle?
-
If the wheel of an engine of a train 4
meters in circumference makes seven revolutions in 4 seconds, what is the speed of the train? - If the height of a triangle is decreased by 40% and its base is increased by 40%. What will be the effect on its area?
- A blanket, when bleached, decreases in length by 20% and in breadth by 15%. What is the percentage decrease in its area?
- The difference between the length and breadth of a rectangle is 25 meters. If the perimeter of this rectangle is 210 meters, what is its area?
- The side of a rhombus is 25 m, and one of its diagonal is 30 meters. What is its area?
- The area of a parallelogram is 162 square meters. If its altitude is twice the corresponding base, find the length of the base?
- The area of a trapezium is 1500 sq. m. If the parallel sides are in the ratio of 12: 18 and the distance between the parallel sides is 32 meters, what is the length of the smaller parallel side?
Whatsapp
Facebook
