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7th Mathematics Monthly Test - 3(Measurements)

MABS Institution

7th Mathematics Monthly Test - 3(Measurements)-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

In a trapezium if the sum of the parallel sides is 10 m and the area is 140 sq. m, then the height is

7cm
40 cm
14 cm
28 cm

The perimeter of a parallelogram whose adjacent sides are 6 cm and 5 cm is

12 cm
10 cm
24 cm
22 cm

In a parallelogram the base is three times its height. If the height is 8 cm then the area is

64 sq. cm
192 sq. cm
32 sq. cm
72 sq. cm

The area of the rhombus with side 4 cm and height 3 cm is

7 sq. cm
24 sq. cm
12 sq. cm
10 sq. cm

The area of a parallelogram whose base 10 m and height 7 m is

70 sq. m
35 sq. m
7 sq. m
10 sq. m

What happens to the area of the parallelogram, if the base is increased 2 times and the height is halved?

Decreases to half
Remains the same
Increases by two times
none

The angle between the diagonals of a rhombus is

120º
180º
90º
100º

The base of the parallelogram with area is 52 sq. cm and height 4 cm is

48 cm
104 cm
13 cm
26 cm

The area of the trapezium, if the parallel sides are measuring 8 cm and 10 cm and the height 5 cm is

45 sq. cm
40 sq. cm
18 sq. cm
50 sq. cm

when the non-parallel sides of a trapezium are equal then it is known as

a square
a rectangle
an isosceles trapezium
a parallelogram

Part - B

Generic 2 - Answer All Question

A man has to build a rhombus shaped swimming pool. One of the diagonal is 13 m
and the other is twice the fi rst one. Then fi nd the area of the swimming pool and also fi nd the cost of cementing the fl oor at the rate of Rs. 15 per sq.cm.

Find the height of the parallelogram whose base is four times the height and whose area is 576 sq. cm.

The area of the rhombus is 576 sq. cm and the length of one of its diagonal is half of the length of the other diagonal then find the length of the diagonals

The table top is in the shape of trapezium with measurements given in the fi gure. Find the cost of the glass used to cover the table at the rate of Rs. 6 per 10 sq. cm.

An agricultural field is in the form of a parallelogram, whose area is 68.75 sq. hm. The distance between the parallel sides is 6.25 hm. Find the length of the base

The base of the parallelogram is 16 cm and the height is 7 cm less than its base. Find the area of the parallelogram

Part - C

Generic 3 - Answer All Question

The area of the rhombus when both diagonals measuring 8 cm is
64 sq. cm

32 sq. cm

30 sq. cm

16 sq. cm
The area of the rhombus is 128 sq. cm and the length of one diagonal is 32 cm. The length of the other diagonal is
12 cm

8 cm

4 cm

20 cm
The height of the rhombus whose area 96 sq. m and side 24 m is
8 m

10 m

2 m

4 m

A parallelogram has adjacent sides 12 cm and 9 cm. If the distance between its shorter sides is 8 cm, find the distance between its longer side

The area of a trapezium is 828 sq. cm. If the lengths of its parallel sides are 19.6 cm and 16.4 cm, find the distance between them.

The base of the parallelogram is thrice its height. If the area is 192 sq. cm, find the base and height

The parallel sides of a trapezium are 23 cm and 12 cm. The distance between the parallel sides is 9 cm. Find the area of the trapezium

The area of a trapezium is 352 sq. cm and the distance between its parallel sides is
16 cm. If one of the parallel sides is of length 25 cm then find the length of the other side.

Part - D

Generic 5 - Answer All Question

Calculate the area of the rhombus having diagonals equal to 6 m and 8 m.

The floor of an office building consists of 200 rhombus shaped tiles and each of its length of the diagonals are 40 cm and 25 cm. Find the total cost of polishing the floor at 45 per sq.m.

Find the area of the rhombus whose side is 17 cm and the height is 8 cm.

If the area of the rhombus is 60 sq. cm and one of the diagonals is 8 cm, find the length of the other diagonal.

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