MEDIUM
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Find the area of the rectangle: ( 1 square =1 cm)

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Area =  cm2

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Important Questions on Area and its Boundary

EASY
The edge of a cube is 8 cm. What is the total surface area of the cube?
MEDIUM

The length and breadth of a rectangular sheet are 48 m and 36 m respectively. A square is cut off from each of its corners, so that an open box be made. If the side of square be 16m, what will be the volume of the box so formed (in cubic m)? 

(A) 1,024 

(B) 1,224 

(C) 1,324 

(D) 1,124 

EASY
The length and the breadth of a rectangle are 20 m and 15 m respectively. If the length is increased by 20% and the breadth by 30%, the percentage increase in its area is:
MEDIUM
A spherical ball of the lead of radius 14 cm is melted and recast into spheres of radius 2 cm. The number of the small sphere is:
EASY

The perimeter and the breadth of a rectangle are 52 cm and 12 cm respectively. Find its area in cm2.

EASY
Length of each equal side of an isosceles triangle is 10cm and the included angle between those two sides is 45°. Find the area of the triangle.
EASY
The radius of a sphere is doubled. The percentage of increase in its surface area is?
EASY

Quantity 1: Area of square is 324 cm2, whose perimeter is equal to perimeter of rectangle. Length of the rectangle is 4 cm more than breadth of the rectangle. Find the area of rectangle.

Quantity 2: 320 cm2.

EASY
The curved surface area and the height of a right circular cylinder are 660 cm2 and 10 cm respectively. Find its diameter (in cm).
EASY
The length of the diagonal and the breadth of a rectangle is 25 cm and 7 cm respectively. Calculate its area (in cm2).
HARD
The dimensions of a luggage box are 80 cm, 60 cm and 40 cm. How many sq. cm of cloth is required to cover the box?
EASY
The area of a square field is 196sq.m. What would be the length of the rope required to fence the field from any three sides?
MEDIUM
A rectangular plot has a concrete path running in the middle of the plot parallel to the breadth of the plot. The rest of the plot is used as a lawn, which has an area of 240 sq. m. If the width of the path is 3 m and the length of the plot is greater than its breadth by 2 m, what is the area of the rectangular plot?
MEDIUM
The length of one of the diagonals of a rhombus is 48 cm. If the side. of the rhombus is 26 cm, then what is the area of the rhombus?
MEDIUM
The perimeter of rectangle whose length is 6 m more than its breadth, is 84 m. What will be the area of rectangle?
EASY
A tank is in the form of a cuboid with length 12 m. If 18 kilolitre of water is removed from  water level goes down by 30 cm. What is the width (in m ) of the tank?
EASY
What would be the area of a rectangle whose area is equal to the area of circle of radius 7 cm?
MEDIUM
A spherical ball of a lead of the radius 14 cm is melted and recast into spheres of the radius 2 cm.The number of small spheres is:
MEDIUM
The length of a rectangular field is increased by 20% and its breadth is decreased by 20%. What is the per cent increase or decrease in its area?
EASY
If three metallic spheres of radii 6 cm, 8 cm and 10 cm are melted to form a single sphere, the diameter of the new sphere will be _____.