Volume and Surface Area Questions Practice Question and Answer
8 Q: By increasing the radius of a sphere by 50 percent, how much will the area of its surface increase?
1746 05e5cad34db545f45b2c8c42a
5e5cad34db545f45b2c8c42a- 1100%false
- 2125 %true
- 3150%false
- 4None of thesefalse
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Answer : 2. "125 %"
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?
1251 05e4d0c0adfffd759fd0cb3d5
5e4d0c0adfffd759fd0cb3d5- 1Rs. 3,85,000true
- 2Rs. 2,20,000false
- 3Rs. 3,50,000false
- 4Cannot be determinedfalse
- 5None of thesefalse
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Answer : 1. "Rs. 3,85,000 "
Q: What is the volume of a cube whose side is 7.5 cm?
1117 05e325343d0aa6f23a8fc4412
5e325343d0aa6f23a8fc4412- 1421.875 cm3true
- 2759.375 cm3false
- 3631.81 cm3false
- 4210.94 cm3false
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Answer : 1. "421.875 cm3"
Q: The area of trapezium is 21 square cm, the distance between the parallel sides is 3 cm and one of the parallel sides is 8.3 cm. What is the length of the other parallel side ?
2897 15e4667b365b2ec50e42a778f
5e4667b365b2ec50e42a778f- 112.7 cmfalse
- 27.7 cmfalse
- 310.7 cmfalse
- 45.7 cmtrue
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Answer : 4. "5.7 cm"
Q: In the given figure, two squares shown in the figure have the arm of 12 cm and 8 cm. then find out the area of shaded part?
1457 05e4e0ec5dfffd759fd10bdc1
5e4e0ec5dfffd759fd10bdc1- 119.2true
- 218.3false
- 319.6false
- 419.8false
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Answer : 1. "19.2"
Q: What is the total surface area and curved surface area of a solid semi circle with radius of 14 cm?
1290 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?
1213 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.
2056 05e4e10591b69e805d0bbeced
5e4e10591b69e805d0bbeced- 1100√3 sq.cmfalse
- 2200√3 sq.cmtrue
- 3100 sq.cmfalse
- 4500 sq.cmfalse
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