Volume and Surface Area Practice Question and Answer
8 Q: The ratio of the radii of two wheels is 3: 4, then the ratio of their circumferences will be.
1406 05f97fe6cf6ce7f2367fe6e29
5f97fe6cf6ce7f2367fe6e29- 12 : 3false
- 24 : 3false
- 33 : 4true
- 43 : 5false
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Answer : 3. "3 : 4"
Q: The total surface area of a cube is 864 square cm. What is his volume?
1385 05e32568728cc9f701276e210
5e32568728cc9f701276e210- 1216false
- 21728true
- 3729false
- 4512false
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Answer : 2. "1728"
Q: The radius of a semicircle is 35 cm, find its area and perimeter.
1383 05fe1bb09ce32c8585c738675
5fe1bb09ce32c8585c738675- 11040 sq.cm and 140 cmfalse
- 21925 sq.cm and 180 cmtrue
- 31890 sq.cm and 90 cmfalse
- 41730 sq.cm and 90 cm/false
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Answer : 2. "1925 sq.cm and 180 cm "
Q: The perimeter of a square and an equilateral triangle is the same if the length of the diagonal of the square is $$ {12 \ sqrt {2}} $$ cm. If, what will be the area of the triangle?
1336 05f8043de88aba328edafaf6a
5f8043de88aba328edafaf6a- 1$$ {64\sqrt{3}}$$ sq.cmtrue
- 2$$ {32\sqrt{3}}$$ sq.cmfalse
- 3$$ {24\sqrt{3}}$$ sq.cmfalse
- 4$$ {28\sqrt{3}}$$ sq.cmfalse
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Answer : 1. "$$ {64\sqrt{3}}$$ sq.cm"
Q: The area of triangle is half the area of square. The perimeter of the square is 224 cm. What is the area of triangle?
1313 05d4aa1bf11160f2052371576
5d4aa1bf11160f2052371576- 11856 cm2false
- 21658 cm2false
- 31558 cm2false
- 41586 cm2false
- 5None of thesetrue
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Answer : 5. "None of these"
Explanation :
given 4a=224,
a=56, so that Area of square is=a2=56*56
so that Area of Triangle is a2/2=1568
Q: A square pyramid with side 10 cm has a volume of 400 cm3. Find the total surface area of the pyramid.
1306 05f2e6ad0b6a1cb7a831cb217
5f2e6ad0b6a1cb7a831cb217- 1240 cm2false
- 2300 cm2false
- 3420 cm2false
- 4360 cm2true
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Answer : 4. "360 cm2"
Q: What is the total surface area and curved surface area of a solid semi circle with radius of 14 cm?
1293 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 cost of fencing a circular plot at the rate of Rs.15 per meters Rs. 3,300. What will be the cost of flooring the plot at the rate a Rs . 100 per square meter?
1254 05e4d0c0adfffd759fd0cb3d5
5e4d0c0adfffd759fd0cb3d5- 1Rs. 3,85,000true
- 2Rs. 2,20,000false
- 3Rs. 3,50,000false
- 4Cannot be determinedfalse
- 5None of thesefalse
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