Mensuration Test

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Mensuration Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Five square flower beds each of sides 1.2 m are dug on a piece of land 4.8 m long and 4.2 m wide. What is the area of the remaining part of land?

A
12.69 m²

B
12.96 m²

C
11.96 m²

D
144 m²

Solution

Area of land =4.8×4.2=20.16 m² Area of 1 flower bed =1.2×1.2=1.44 m² ∴ Area of 5 flower beds = 5×1.44=7.2 m² So, area of the remaining part of land =20.16−7.2 = 12.96 m²
Question 2
1 / -0

A table top measures 3 m 15 cm by 90 cm. The perimeter of the top of the table is

A
4m 5 cm

B
8m 10 cm

C
24m 30 cm

D
None of these

Solution

Length of top of the table = 3 m 15 cm = (300 + 15) cm = 315 cm Breadth of top of the table = 90 cm ∴ Perimeter = 2(315 + 90) = 2(405) = 810 cm = 8 m 10 cm
Question 3
1 / -0

An athlete takes 15 rounds of a rectangular park, 30 m long and 20 m wide. The total distance covered by him is _________

A
1500 m

B
1300 m

C
1200 m

D
1550 m

Solution

Length of rectangular park = 30 m Breadth of rectangular park = 20 m ∴ Perimeter of park = 2(30+20) =100 m So, distance covered by the athlete in 15 rounds =15×100=1500 m
Question 4
1 / -0

The length of a rectangle is (3/4)^th of its breadth. If its perimeter is 126 m, then its area will be _______.

A
972 m²

B
640 m²

C
840 m²

D
954 m²

Solution

Let the breadth (b) be x m. ∴ Length (l) =(3/4 x) m Perimeter = 126 m ⇒ 2 (l+b) = 126⇒ 2 (3/4 x+x) = 126 ⇒ 7 x 4 = 63 ⇒ x = 63×4/7 = 36 So, breadth = 36 m and length = 3/4 × 36 = 27m ∴ Area = (36 × 27) m² = 972 m²
Question 5
1 / -0

The area of a rectangular garden 48 m long is 2160 sq.m. Find the width of the garden.

A
45 m

B
44 m

C
22 m

D
21 m

Solution

Let the width of the garden be x m. Length = 48 m Now, area = 2160 sq. m ⇒ 48 × x = 2160 ⇒ x = 2160/48 = 45 So, width of the garden is 45 m.

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Re-Attempt Weekly Quiz Competition

Mensuration Test - 4

Result

Mensuration Test - 4

Score

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Rank

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SHARING IS CARING

Question 1

12.69 m2

12.96 m2

11.96 m2

144 m2

Solution

Question 2

4m 5 cm

8m 10 cm

24m 30 cm

None of these

Solution

Question 3

1500 m

1300 m

1200 m

1550 m

Solution

Question 4

972 m2

640 m2

840 m2

954 m2

Solution

Question 5

45 m

44 m

22 m

21 m

Solution

User

Question Analysis

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Score

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12.69 m²

12.96 m²

11.96 m²

144 m²

972 m²

640 m²

840 m²

954 m²