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- Question
A piece of wire 132 cm long is bent successively in the shape of an equilateral triangle, a square and a circle. Then area will be longest in shape of
Options- A. Circle
- B. Equilateral triangle
- C. Square
- D. Equal in all the shapes
- Correct Answer
- Circle
- 1. The ratio between the area of a square and that of a circle, when the length of a side of the square is equal to that of the diameter of the circle, is (take ?=22/7)
Options- A. 14 : 11
- B. 28 : 11
- C. 7 : 22
- D. 22 : 7 Discuss
- 2. The four walls and ceiling of a room of length 25 m, breadth 12 m and height 10 m are to be painted. Painter A can paint 200 m2 in 5 days, Painter B can paint 250 m2 in 2 days. If A and B work together, they will finish the job in
Options- A. 6 days
- B. 6 10/33 days
- C. 7 10/33 days
- D. 8 days Discuss
- 3. The sides of a triangle are in the ratio 1/2 : 1/3 : 1/4 and its perimeter is 104 cm. The length of the longest side (in cm) is
Options- A. 52
- B. 48
- C. 32
- D. 26 Discuss
- 4. The height of an equilateral triangle is 18 cm. Its area is
Options- A. 36√3 sq. m.
- B. 108√3 sq. cm.
- C. 108 sq. cm.
- D. 96√3 sq. m. Discuss
- 5. D and E are points on side AB and AC of ?ABC. DE is parallel to BC. If AD:DB = 2:3, what is the ratio of area of ?ADE and area of quadrilateral BDEC?
Options- A. 4 : 21
- B. 4 : 25
- C. 4 : 29
- D. 4 : 9 Discuss
- 6. In an isosceles triangle, the length of each equal side is twice the length of the third side. The ratio of areas of the isosceles triangle and an equilateral triangle with same perimeter is
Options- A. 30√5 : 100
- B. 32√5 : 100
- C. 36√5 : 100
- D. 42√5 : 100 Discuss
- 7. In an equilateral triangle ABC, G is the centroid. Each side of the triangle is 6 cm. The length of AG is
Options- A. 2?2 cm
- B. 3?2 cm
- C. 2?3 cm
- D. 3?3 cm Discuss
- 8. In a circle, a diameter AB and a chord PQ (which is not a diameter) intersect each other at X perpendicularly. If AX : BX = 3 : 2 and the radius of the circle is 5 cm, then the length of chord PQ is
Options- A. 2?13 cm
- B. 5?3 cm
- C. 4?6 cm
- D. 6?5 cm Discuss
- 9. x, y be two acute angles, x + y < 90° and sin(2x - 20°) = cos(2y + 20°), the value of tan(x + y) is
Options- A. ?3
- B. 1/?3
- C. 1
- D. 2+?2 Discuss
- 10. Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size which can be cut from these two lengths will be
Options- A. 0.13 m
- B. 0.4 m
- C. 0.3 m
- D. 0.41 m Discuss
Area problems
Search Results
Correct Answer: 14 : 11
Correct Answer: 6 10/33 days
Correct Answer: 48
Correct Answer: 108√3 sq. cm.
Correct Answer: 4 : 21
Correct Answer: 36√5 : 100
Correct Answer: 2?3 cm
Correct Answer: 4?6 cm
Correct Answer: 1
Correct Answer: 0.3 m
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