Mensuration Test

Result

Mensuration Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

The area of a rectangular tray is 165 cm². If its length is 15 cm, what is its width?

A
11 cm

B
13 cm

C
17 cm

D
19 cm

Solution

Area = ℓ × b
165 = 15 × b
Or b = 11 cm
Question 2
1 / -0

The area of a square field is the same as that of a rectangular field whose length and breadth measure 9 units and 4 units, respectively. What is the measure of each side of the square field?

A
4 units

B
7 units

C
6 units

D
12 units

Solution

Area of square field = (Side)²
Area of rectangular field = ℓ × b
According to the question,
(Side)² = ℓ × b = 9 × 4
(Side)² = 36 unit²
Or
Side = 6 units
Question 3
1 / -0

What is the total cost of gardening a square field with each side measuring 22 m at the rate of Rs. 4 per m²?

A
Rs. 1210

B
Rs. 1936

C
Rs. 8880

D
Rs. 1963

Solution

Area of square field = (22)² = 484 m²
Cost of gardening 1 m2 = Rs. 4
∴ Cost of gardening 484 m2 = Rs. 4 × 484
= Rs. 1936