Learn Aptitude: Areas

A lawn is in the form of a rectangle having its sides in theratio 2:3 The area of the lawn is 1/6 hectares. Find the lengthand breadth of the lawn.

Find the cost of carpeting a room 13m long and 9m broad witha carpet 75cm wide at the rate of Rs 12.40 per sq meter

A room is half as long again as it is broad. The cost ofcarpeting the room at Rs 5 per sq m is Rs 2.70 and the cost ofpapering the four walls at Rs 10 per sq m is Rs 1720. If a doorand 2 windows occupy 8 sq cm. Find the dimensions of the room?

The altitude drawn to the base of an isosceles triangle is 8cmand the perimeter is 32cm. Find the area of the triangle?

Find the area of a Rhombus one side of which measures 20cmand one diagonal 24cm.

14.If the diagonal of a rectangle is 17cm long and its perimeteris 46 cm. Find the area of the rectangle.

A rectangular grassy plot 110m by 65cm has a gravel path .5cmwide all round it on the inside. Find the cost of gravelling thepath at 80 paise per sq.mt

The perimeters of ttwo squares are 40cm and 32 cm. Find theperimeter of a third square whose area is equal to the differenceof the areas of the two squares.

A room 5m 44cm long and 3m 74cm broad is to be paved with squretiles. Find the least number of squre tiles required to cover thefloor.

If each side of a square is increased by 25%. Find the percentagechange in its area.

.Find the length of a rope by which a cow must be tethered in orderthat it may be able to graze an area of 9856 sq meters

29.A rectangular field is to be fenced on three sides leaving a side of20 feet uncovered. If the area of the field is 680 sq feet, how manyfeet of fencing will be required?

A rectangular paper when folded into two congruent parts had aperimeter of 34cm foer each part folded along one set of sides andthe same is 38cm. When folded along the other set of sides. What isthe area of the paper?

A took 15 seconds to cross a rectangular field diagonally walking atthe rate of 52 m/min and B took the same time to cross the same fieldalong its sides walking at the rate of 68m/min. The area of the field is?

A man walking at the speed of 4 kmph crosses a square fielddiagonally in 3 meters.The area of the field is

If the perimeters of a square and a rectangle are the same,then the area a & b enclosed by them would satisfy the condition

A tank is 25m long 12m wide and 6m deep. The cost of plasteringits walls and bottom at 75 paise per sq m is

If a parallelogram with area p, a triangle with area R and atriangle with area T are all constructed on the same base and allhave the same altitude, then which of the following statementsis false?

The area of a field in the shape of a trapezium measures1440sq m. The perpendicular distance between its parallel sidesis 24cm. If the ratio of the sides is 5:3, the length of thelonger parallel side is:

The wheel of a motorcycle 70cm in diameter makes 40revolutions in every 10sec.What is the speed of motorcyclen km/hr?