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3. A side of a parallelogram measuring 16 cm is at a perpendicular distance of 10 cm from its
opposite side. Area of the parallelogram is ................... .
4. Mode of the data 10, 5, 6, 4, 10, 10, 5, 5, 6, 9, 12, 5, is ................... .
5. Data collected first hand by a researcher using methods like surveys, interviews or
experiments is called ................... data.
C. Write ‘T’ for true and ‘F’ for false statement.
1. If a prism has two identical rectangular bases, it is called a rectangular prism.
2. Area of a square whose perimeter is 72 cm is 361 cm .
2
3. Perimeter of a rectangular sheet is 150 cm. If its length is 38 cm, then its breadth is 37 cm.
4. To calculate mean of the given data, it is necessary to arrange the given observations in
ascending order.
5. Median of first five natural numbers is 3.
D. Solve the following questions.
1. Draw the front, side and top view of the given picture.
2. The mean of five numbers is 37. Later, it was found that one number 33 was written wrongly
as 38. Find the correct mean.
3. The length and breadth of a rectangular garden are 54 m and 25 m respectively. There is
a path 2.5 m broad, all around the garden. Find the area of the path. Also find the cost of
paving the path at the rate of `55 per square metre.
4. Find the area of the shaded part in the given figure.
S 8 cm R
2 cm
4 cm
4 cm
2 cm
P 8 cm Q
5. The weight (in kg) of 15 students of a class are: 36, 48, 42, 35, 39, 49, 52, 53, 48, 39, 55, 60,
45, 47, 48. Find the median weight.
6. Draw an isometric sketch of a cube of edge 4 cm.
7. Following data represents the marks of Aarav in an examination in five subjects. Represent
the gives data in a vertical bar graph.
Subject Hindi Science Mathematics Social Studies English
Marks 70 50 75 80 90
8. The shaded portion in the given diagram shows two path inside a rectangular garden. Find
the area of the two paths.
50 m
40 m 2 m
2 m
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