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- Question
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
- Correct Answer
- 0.3 m
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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 Discuss
- 6. The radii of two concentric circles are 68 cm and 22 cm. The area of the closed figure bounded by the boundaries of the circles is
Options- A. 4140? sq.cm.
- B. 4110? sq.cm.
- C. 4080? sq.cm.
- D. 4050? sq.cm. Discuss
- 7. The radius of a sphere is 6 cm. It is melted and drawn into a wire of radius 0.2 cm. The length of the wire is
Options- A. 81 m
- B. 80 m
- C. 75 m
- D. 72 m Discuss
- 8. In a trapezium ABCD, AB and DC are parallel sides and ? ADC = 90°. If AB = 15 cm, CD = 40 cm and diagonal AC = 41 cm. Then the area of the trapezium ABCD is
Options- A. 245 cm2
- B. 240 cm2
- C. 247.5 cm2
- D. 250 cm2 Discuss
- 9. The area of a rhombus having one side 10 cm and one diagonal 12 cm is
Options- A. 48 cm2
- B. 96 cm2
- C. 144 cm2
- D. 192 cm2 Discuss
- 10. The cost of levelling a circular field at 50 Paise per square metre is Rs 7700. The cost (in Rs) of putting up a fence all round it at Rs 1.20 per meter is ( Use ? = 22/7)
Options- A. Rs 132
- B. Rs 264
- C. Rs 528
- D. Rs 1056 Discuss
Area problems
Search Results
Correct Answer: 1
Correct Answer: 4?6 cm
Correct Answer: 2?3 cm
Correct Answer: 36?5 : 100
Correct Answer: Circle
Correct Answer: 4140? sq.cm.
Correct Answer: 72 m
Correct Answer: 247.5 cm2
Correct Answer: 96 cm2
Correct Answer: Rs 528
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