- A2%
- B2.02%
- C4%
- D4.04%
Area - Quiz
- A52 meters
- B58 meters
- C68 meters
- D60 meters
- A12 cm
- B8 cm
- C6 cm
- D2 cm
- A900 sq. m.
- B800 sq. m.
- C750 sq. m.
- D950 sq. m.
- A80 cms
- B90 cms
- C50 cms
- DData inadequate
- A96 m2
- B90 m2
- C99 m2
- D93 m2
- A420 cm2
- B380 cm2
- C480 cm2
- D410 cm2
Results:
🟢 Correct Answers: 🔴 Wrong Answers:
🟢 Correct Answers: 🔴 Wrong Answers:
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Quiz Information
Quiz Information
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- Number of Questions: Each quiz consists of 10 questions.
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Quiz Analytics
Area - Quiz
Guest User
Time Taken: Questions: Answered: Not Answered:
Correct Answer:
Wrong Answer:
Percentage: %
- A. 2%
- B. 2.02%
- C. 4%
- D. 4.04%
Remarks:
Explanation:
The percentage error in the calculated area of the square is 4.04%.
This is calculated by taking the difference between the actual area and the measured area, and then expressing it as a percentage of the actual area.
In this case, the actual area is 100cm x 100cm = 10000 cm2 and the measured area is 102cm x 102cm = 10404 cm2
The difference (10404 - 10000) = 404 cm2 which is 4.04% of the actual area.
- A. 52 meters
- B. 58 meters
- C. 68 meters
- D. 60 meters
Remarks:
Explanation:
The area of a right angled triangle = ½ * base * height
Base = 10, Hypotenuse = 20
Height2 = Hypotenuse2 - Base2
= 202 - 162
= 400 - 256
Height2 = 144
Height = 12
Area = ½ * base * height
= ½ * 10 * 12
= 60 meters
- A. 12 cm
- B. 8 cm
- C. 6 cm
- D. 2 cm
Remarks:
Explanation:
Perimeter of Square = 4 x side 4 x side = 24 Side = 24/4 = 6 cm One of the sides of the square is 6 cm.
- A. 900 sq. m.
- B. 800 sq. m.
- C. 750 sq. m.
- D. 950 sq. m.
Remarks:
Explanation:
Area of a square = 1/2 (diagonal) 2 = 1/2 (40)2 = 1/2 * 1600 = 800 sq. m.
- A. 2 cm
- B. 4 cm
- C. 5 cm
- D. 8 cm
Remarks:
Explanation:
Parallel sides of a trapezium = 6 cm, and 10 cm Area of trapezium = 1/2( sum of the parallel sides ) × distance between the parallel sides 32= 1/2( 6+10 ) × distance 32=8 × distance Distance = 32/8 = 4 cm So, the distance between the parallel lines of trapezium = 4 cm.
- A. 80 cms
- B. 90 cms
- C. 50 cms
- D. Data inadequate
Remarks:
Explanation:
Let the length of the rectangle be 'x' and breadth of the rectangle be 'y' According to the question: 2(x + y) - x = 100 2x + 2y - x = 100 x + 2y = 100 From this we cannot find 'y' (breadth), so the given data is inadequate.
- A. 96 m<sup>2</sup>
- B. 90 m<sup>2</sup>
- C. 99 m<sup>2</sup>
- D. 93 m<sup>2</sup>
Remarks:
Explanation:
When d1 and d2 are the diagonals of rhombus then, The Side of rhombus = Area Aptitude Area Aptitude Squaring both sides 202 = 16^2 + d2^2 400 = 256 + d2^2 d2^2 = 400 - 256 d2 = √144 d2 = 12 Area of rhombus =1/2( d1 × d2 ) =1/2 ( 16 × 12 )=96 cm^2
- A. 5: 4
- B. 2.25 : 1
- C. 4: 5
- D. 4: 7
Remarks:
Explanation:
The ratio between the new area and the original area of the square can be found by using the formula for the area of a square and the percentage increase in the side length. The original area of the square is s^2, where s is the side length. After the side length is increased by 50%, the new side length is 1.5s. The new area of the square is (1.5s)^2 = 2.25s^2. To find the ratio between the new area and the original area, we divide the new area by the original area: 2.25s^2 / s^2 = 2.25. Therefore, the ratio between the new area and the original area of the square can be represented as 2.25 : 1 which means for every 1 unit of original area, the new area is 2.25 unit.
- A. 420 cm<sup>2</sup>
- B. 380 cm<sup>2</sup>
- C. 480 cm<sup>2</sup>
- D. 410 cm<sup>2</sup>
Remarks:
Explanation:
Let length = X and breadth = Y. Then, 2 (X + Y) = 92 OR X + Y = 46 AND X^2 + Y^2 = (34)^2 = 1156. Now, (X + Y)^2 = (46)^2 ⇔ (X2 + Y2) + 2XY = 2116 ⇔ 1156 + 2XY = 2116 ⇒ XY=480 ∴ Area = XY = 480 cm2
- A. 34 cm
- B. 48 cm
- C. 63 cm
- D. 23 cm
Remarks:
Explanation:
Side of first square = (80/4) = 20 cm; Side of second square = (64/4)cm = 16 cm. Area of third square = [(20)^2 - (16)^2] cm^2 = (400 - 256) cm^2 = 144 cm^2. Side of third square = √144 cm = 12 cm. Required perimeter = (12 x 4) cm = 48 cm.