Volume and Surface Area Questions Practice Question and Answer
8 Q: Find the area of the shaded region if the radius of each of the circle is 1 cm.
1737 15efeb190eb90be58c59608dc
5efeb190eb90be58c59608dc- 1$$ 2-{π\over3}$$true
- 2$$ \sqrt{3}-{π\over2}$$false
- 3$$ \sqrt{3}-{π}$$false
- 4$$ \sqrt{3}-{π\over4}$$false
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Answer : 1. "$$ 2-{π\over3}$$"
Q: What will be the area (cm2) of the curved surface of an elliptical cylinder whose height and diameter are 10 cm and 8 cm respectively?
774 05f6d79f8f9079a64e3be1fc4
5f6d79f8f9079a64e3be1fc4- 120 πfalse
- 280 πtrue
- 3160 πfalse
- 440 πfalse
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Answer : 2. "80 π"
Q: What is the total surface area and curved surface area of a solid semi circle with radius of 14 cm?
1276 05e293aa19d14251e9f42424d
5e293aa19d14251e9f42424d- 1$$ {5544cm^2},1848 cm^2 $$false
- 2$$ {1848cm^2},1232 cm^2 $$true
- 3$$ {924cm^2},616 cm^2 $$false
- 4$$ {2772cm^2},1848 cm^2 $$false
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Answer : 2. "$$ {1848cm^2},1232 cm^2 $$"
Q: The volume of a sphere and an elliptical cylinder are the same. The radius of the sphere and cylinder are 21 cm and 14 cm respectively. What is the height of the cylinder?
1193 05e3256211f73627362281733
5e3256211f73627362281733- 163 cmtrue
- 256 cmfalse
- 342 cmfalse
- 449 cmfalse
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Answer : 1. "63 cm"
Q: PQRS is a parallelogram, Angle SPQ=60 Degree, QR=40 cm and PQ=10 cm, then find the area of the parallelogram.
2043 05e4e10591b69e805d0bbeced
5e4e10591b69e805d0bbeced- 1100√3 sq.cmfalse
- 2200√3 sq.cmtrue
- 3100 sq.cmfalse
- 4500 sq.cmfalse
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Answer : 2. "200√3 sq.cm"
Q: The wooden box measure 20 cm by 12 cm by 10 cm. Thickness of wood is 1 cm. The volume of wood to make the box (in cubic cm) is
1114 05ec5f9e10d983803ea4e5194
5ec5f9e10d983803ea4e5194- 1960true
- 2519false
- 32400false
- 41.120false
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Answer : 1. "960 "
Q: A wall is the form of a trapezium with height 8 m and parallel sides being 5 m and 10 m. What is the cost of painting the wall, if the rate of painting is Rs. 50 per square meter ?
1013 05ef055a07cd71c7944696a50
5ef055a07cd71c7944696a50- 1Rs.5000false
- 2Rs.3000true
- 3Rs.6000false
- 4Rs .4000false
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Answer : 2. "Rs.3000"
Q: A solid cube, whose diagonal is $$ 128 {\ sqrt {2}} \ cm $$, is molded to form a cuboid. The length and width of the cuboid are 512 cm and 160 cm, respectively. What is the height of the cuboid?
957 05f6d8732f9079a64e3bedd4b
5f6d8732f9079a64e3bedd4b- 116 cmfalse
- 225.6 cmtrue
- 320.8 cmfalse
- 416.4 cmfalse
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