The perimeter of a triangle is 28 cm and the
in radius of the triangle is 2.5 cm. What is the area of the triangle? .
(a) 25 cm2
(b) 35 cm2
(c) 49 cm2
(d) 70 cm2
Find the area of the figure given below:
BC= 10 cm, EF = 8 cm, ID = 7 cm, AH = 6 cm,
HF = 12 cm, BG = 8 cm
(a) 204 cm2
(b) 260 cm2
(c) 298 cm2
(d) 308 cm2
The perimeter of a rhombus PQRS is 68 cm. If
the length of the diagonal PR is 30 cm, what will the length of the other diagonal
QS be? .
(a) 16 cm
(b) 8 cm
(c) 24 cm
(d) 32 cm
R is a rectangular lawn of dimensions 50 m x
20 m. It has two roads, in the midway with each being 4 m wide, that run
parallel to its dimensions. Find the area of the two roads. (in sq.m) .
What is the area
of the square inscribed in a semi circle of radius 25 cm?
(a) 225 cm2
(b) 125 cm2
(c) 100 cm2
(d) 500 cm2
A wire in the form of a circle of radius 3.5
m is bent in the form of a rectangle, whose length and breadth are in the ratio
of 6 : 5. What is the area of the rectangle? .
(a) 60 cm2
(b) 30 cm2
(c) 45 cm2
(d) 120 cm2
A cow is tied to one corner of a closed shed
located in a field. The dimensions of the shed are 15 m x 12 m and the length
of the rope that is used to tie the cow is 10 m. What is the area in which the
cow can graze? .
(a) 25p m2
(b) 50p m2
(c) 75p m2
(d) 100p m2
The base of a solid right prism is a right
angled triangle whose hypotenuse and a side are 25 cm and 7 cm respectively.
The height of the prism is 5 cm. What is the total surface area of the prism? .
(a) 168 cm2
(b) 280 cm2
(c) 448 cm2
(d) 508 cm2
The length, breadth and height of a cuboid
are respectively 8 m, 5 m and 3 m. This is melted and converted into four equal
cubes. In this process 10% of material is lost. What is the edge of each cube? .
(a) 2 m
(b) 3 m
(c) 4 m
(d) 6 m
Two cubes of sides 8 cm each are kept
adjacent to each other. What is the total surface area of the cuboid formed? .
(a) 756 cm2
(b) 840 cm2
(c) 1210 cm2
(d) 640 cm2