Explore topic-wise MCQs in MENSURATION.

This section includes 34 Mcqs, each offering curated multiple-choice questions to sharpen your MENSURATION knowledge and support exam preparation. Choose a topic below to get started.

1.

In the figure given below, the area of rectangle ABCD is 100 sq cm, O is any point on AB and CD = 20 cm. Then, the area of ΔCOD is

A. 40 cm2
B. 45 cm2
C. 50 cm2
D. 80 cm2
Answer» D. 80 cm2
2.

One side of a parallelogram is 8.06 cm and its perpendicular distance from opposite side is 2.08 cm. What is the approximate area of the parallelogram ?

A. 12.56 cm2
B. 14.56 cm2
C. 16.76 cm2
D. 22.56 cm2
Answer» D. 22.56 cm2
3.

The perimeter of a rectangle having area equal to 144 cm2and sides in the ratio 4 : 9 is

A. 52 cm2
B. 56 cm2
C. 60 cm2
D. 64 cm2
Answer» B. 56 cm2
4.

What is the area between a square of side 10 cm and two inverted semi-circular, cross-sections each of radius 5 cm inscribed in the square ?

A. 17.5 cm2
B. 18.5 cm2
C. 20.5 cm2
D. 21.5 cm2
Answer» E.
5.

The area of an isosceles ΔABC with AB = AC and altitude AD = 3 cm is 12 sq cm. What is its perimeter ?

A. 18 cm
B. 16 cm
C. 14 cm
D. 12 cm
Answer» B. 16 cm
6.

If the area of a rectangle whose length is 5 units more than twice its width is 75 sq units. What is the perimeter of the rectangle?

A. 40 units
B. 30 units
C. 24 units
D. 20 units
Answer» B. 30 units
7.

If the area of a circle is equal to the area of square with side 2√π units, then what is the diameter of the circle ?

A. 1 unit
B. 2 units
C. 4 units
D. 8 units
Answer» D. 8 units
8.

If the area of a circle inscribed in an equilateral triangle is 154 sq cm, then what is the perimeter of the triangle ?

A. 21 cm
B. 42√3 cm
C. 21√3 cm
D. 42 cm
Answer» C. 21√3 cm
9.

If the circumference of two circles are in the ratio 2 : 3, then what is the ratio of their areas ?

A. 2 : 3
B. 4 : 9
C. 1 : 3
D. 8 : 27
Answer» C. 1 : 3
10.

If the circumference of a circle is equal to the perimeter of square, then which one of the following is correct ?

A. Area of circle = Area of square
B. Area of circle ≥ Area of square
C. Area of circle > Area of square
D. Area of circle < Area of square
Answer» D. Area of circle < Area of square
11.

If a circle circumscribes a rectangle with side 16 cm and 12 cm, then what is the area of the circle ?

A. 48π sq cm
B. 50π sq cm
C. 100π sq cm
D. 200π sq cm
Answer» D. 200π sq cm
12.

What is the area of an equilateral triangle having altitude equal to 2√3 cm?

A. √3 sq cm
B. 2√3 sq cm
C. 3√3 sq cm
D. 4√3 sq cm
Answer» E.
13.

If the area of a ΔABC is equal to area of square of sde length 6 cm, then what is the length of the altitude to AB, where AB = 9 cm ?

A. 18 cm
B. 14 cm
C. 12 cm
D. 8 cm
Answer» E.
14.

The length of a minute hand of a wall clock is 9 cm. What is the area swept (in cm2) by the minute hand in 20 min ? (take π = 3.14)

A. 88.78
B. 84.78
C. 67.74
D. 57.78
Answer» C. 67.74
15.

A piece of wire 78 cm long is bent in the form of an isosceles triangle. If the ratio of one of the equal sides to the base is 5 : 3, then what is the length of the base?

A. 16 cm
B. 18 cm
C. 20 cm
D. 30 cm
Answer» C. 20 cm
16.

A circular wire of diameter 112 cm is cut and bent in the form of a rectangle whose sides are in the ratio of 9 : 7. The smaller side of the rectangle is

A. 77 cm
B. 97 cm
C. 67 cm
D. 87 cm
Answer» B. 97 cm
17.

In ΔPQR, the line drawn from the vertex P intersects QR at point S. If QR = 4.5 cm and SR = 1.5 cm then the ratios of the area of triangle PQS and triangle PSR is

A. 4 : 1
B. 3 : 1
C. 3 : 2
D. 2 : 1
Answer» E.
18.

The difference between the radii of bigger circle and smaller circle is 14 cm and the difference between their areas is 1056 cm2. Radius of the smaller circle is

A. 7 cm
B. 5 cm
C. 9 cm
D. 3 cm
Answer» C. 9 cm
19.

ABCD is parallelogram. P and Q are the mid-points of sides BC and CD respectively. If the area of ΔABC is 12 cm2, then the area of ΔAPQ is

A. 12 cm2
B. 8 cm2
C. 9 cm2
D. 10 cm2
Answer» D. 10 cm2
20.

ABC is a right angled triangle. B being the right angle. Mid-points of BC and AC are respectively B’ and A’. Area of ΔA’B’C is

A. 1 × area of ΔABC 2
B. 2 × area of ΔABC 3
C. 1 × area of ΔABC 4
D. 1 × area of ΔABC 8
Answer» D. 1 × area of ΔABC 8
21.

The area of rectangle is equal to the area of a circle whose radius is 14 cm. If the breadth of the rectangle is 22 cm, what is its length?

A. 24 cm
B. 28 cm
C. x Unit (π –3)
D. 26 cm
Answer» C. x Unit (π –3)
22.

A rectangular grassy plot 110 m by 65 m has a gravel path 2.5 m wide all round it on the inside. Find the cost of gravelling the path at 80 paise per sq. metre.

A. Rs.150
B. Rs. 340
C. Rs. 530
D. Rs. 680
Answer» E.
23.

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

A. 4 cm
B. 6 cm
C. 24 cm
D. 30 cm
Answer» D. 30 cm
24.

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

A. 120
B. 145
C. 176
D. 185
Answer» D. 185
25.

In measuring the sides of a rectangle, one side is taken 5% in excess, and the other 4% in deficit. Find the error percent in the area calculated from these measurements.

A. 0.2 %
B. 0.4 %
C. 0.8 %
D. 0.12 %
Answer» D. 0.12 %
26.

The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 75 sq cm. find the length of the rectangle.

A. 5 cm
B. 10 cm
C. 20 cm
D. 40 cm
Answer» E.
27.

Find the cost of carpeting a room 13 m long and 9 m broad with a carpet 75 cm wide at the rate of Rs. 12.40 per metre?

A. Rs. 1934.40
B. Rs. 1265.43
C. Rs. 1374.40
D. Rs. 1005.21
Answer» B. Rs. 1265.43
28.

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

A. 10 m
B. 20 m
C. 30 m
D. 50 m
Answer» E.
29.

One side of rectangular field is 15 m and one of its diagonals is 17 m find the area of the field?

A. 75 m2
B. 120 m2
C. 240 m2
D. 350 m2
Answer» C. 240 m2
30.

If AB and CD are two diameters of a circle of radius r and they are mutually perpendicular, then what is the ratio of the area of the circle to the area of the ΔACD ?

A. π 2
B. π
C. π 4
D.
Answer» C. π 4
31.

Consider an equiateral triangle of a side of unit length. A new equilateral triangle is formed by joining the mid-points of one, then a third equilateral triangle is formed by joining the mid-points of second. The process is continued. The perimeter of all triangles, thus formed is

A. 2 units
B. 3 units
C. 6 units
D. infinity
Answer» D. infinity
32.

ABC is a triangle right angled at A. AB = 6 cm and AC = 8 cm. Semi-circles drawn (outside the triangle) on AB, AC and BC as diameters which enclose areas x, y and z square units, respectively. What is x + y – z equal to ?

A. 48 cm2
B. 32 cm2
C. 0
D. None of these
Answer» D. None of these
33.

A square is inscribed in a circle of diameter 2a and another square is circumscribing circle. The difference between the areas of outer and inner squares is

A. a2
B. 2a2
C. 3a2
D. 4a2
Answer» C. 3a2
34.

The area of a sector of a circle of radius 36 cm is 72π cm2. The length of the corresponding arc of the sector is

A. π cm
B. 2π cm
C. 3π cm
D. 4π cm
Answer» E.