Mensuration Practice Question and Answer
8 Q: A solid cube of side 8 cm is dropped into a rectangular container of length 16 cm, breadth 8 cm and height 15 cm which is partly filled with water. If the cube is completely submerged, then the rise of water level (in cm) is:
823 0646ca60acdae930acb925533
646ca60acdae930acb925533- 15false
- 24true
- 36false
- 42false
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Answer : 2. "4"
Q: The volume of a cone is $${27720cm^2}$$. If the height of the cone is 20 cm, then what will be the area of the base?
821 0642a981f9d18d2e8ae252844
642a981f9d18d2e8ae252844- 1$${4158cm^2}$$true
- 2$${4272cm^2}$$false
- 3$${4626cm^2}$$false
- 4$${4836cm^2}$$false
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Answer : 1. "$${4158cm^2}$$"
Q: Two identical circles intersect each other such that each passes through the centre of the other. Length of common chord is 16√3 cm. What is the radius of each circle?
817 06450e79339143d085f37644d
6450e79339143d085f37644d- 116 cmtrue
- 216√3 cmfalse
- 316√2 cmfalse
- 48√3 cmfalse
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Answer : 1. "16 cm"
Q: Length of a rectangle is 53 metre, while its breath is 28 metre. Cost of covering it with grass bed is Rs.27 sq meter. Find total expenditure?
810 063d0dddb484e510dd06c22af
63d0dddb484e510dd06c22af- 1Rs. 40,098false
- 2Rs. 40,048false
- 3Rs. 40,058false
- 4None of thesetrue
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Answer : 4. "None of these"
Q: O, G, I and H are respectively the circumcentre, centroid, incentre and orthocentre of an equilateral triangle. Which of these points are identical?
808 064537bdb7f82520866188c8a
64537bdb7f82520866188c8a- 1O and I onlyfalse
- 2O and G onlyfalse
- 3O, G, I and Htrue
- 4O, G and H onlyfalse
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Answer : 3. "O, G, I and H "
Q: What is the height (in cm) of an equilateral triangle whose each side is 8 cm?
804 06479da28411cb5478d8b2708
6479da28411cb5478d8b2708- 1$$4\sqrt { 3} \ $$true
- 2$$3\sqrt { 2} \ $$false
- 3$$4\sqrt { 2} \ $$false
- 4$$3\sqrt { 5} \ $$false
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Answer : 1. "$$4\sqrt { 3} \ $$"
Q: ABC is an equilateral triangle with side 12 cm and AD is the median. Find the length of GD if G is the centroid of ΔАВС.
800 064ccdadeb6a5e472e27fbfd0
64ccdadeb6a5e472e27fbfd0- 1$${6\sqrt{3}}cm$$false
- 2$${3\sqrt{3}}cm$$false
- 3$${4\sqrt{3}}cm$$false
- 4$${2\sqrt{3}}cm$$true
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Answer : 4. "$${2\sqrt{3}}cm$$"
Q: From a point in the interior of an equilateral triangle, the length of the perpendiculars to the three sides are 6 cm, 8 cm and 10 cm respectively. The area of the triangle is
795 064d2378cebd5c374726ede85
64d2378cebd5c374726ede85- 1false
48 cm2
- 2false
16√3 cm2
- 3true
192√3 cm2
- 4false
192 cm2
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