Volume and Surface Area Questions Practice Question and Answer
8 Q: The area of square field is $$ ({69696})^{2}$$. Its diagonal will be equal to (use √2 = 1.414)
1689 05ec5f8ab0d983803ea4e510b
5ec5f8ab0d983803ea4e510b- 1313.296 mfalse
- 2353.296 mfalse
- 3373.296 mtrue
- 4393.296 mfalse
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Answer : 3. "373.296 m "
Q: The ratio of the areas of two circles is 16: 25. What will be the ratio of their circumferences?
1682 05f76bab1e487e60dced7c88c
5f76bab1e487e60dced7c88c- 14 : 5true
- 23 : 2false
- 34 : 9false
- 49 : 4false
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Answer : 1. "4 : 5 "
Q: In the given figure, PQRS is square whose side is 8 cm. PQS and QPR are two quadrants. A circle is placed touching both the quadrants and the square as shown in the figure. What is the area ( in cm2 ) of the circle ?
1678 0600a891dbaeda263c3c8673f
600a891dbaeda263c3c8673f- 1$$ {19\over 39}$$false
- 2$$ {20\over 21}$$false
- 3$$ {11\over 14}$$true
- 4$$ {11\over 19}$$false
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Answer : 3. "$$ {11\over 14}$$"
Q: Find the area of a white sheet required to prepare a cone with a height of 21cm and the radius of 20cm.
1677 05ee9a0a9109b5d6e01625396
5ee9a0a9109b5d6e01625396- 1$$ {3080}cm^2$$true
- 2$$ {2300}cm^2$$false
- 3$$ {3460}cm^2$$false
- 4$$ {3600}cm^2$$false
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Answer : 1. "$$ {3080}cm^2$$"
Q: An iron pipe 20 cm long has exterior diameter 25 cm. If the thickness of the pipe is 1 cm, then the whole surface area of the pipe?
1676 05f59d091b772fe2f8b223a57
5f59d091b772fe2f8b223a57- 1$$ {3168\ cm^{2}}$$true
- 2$$ {3186\ cm^{2}}$$false
- 3$$ {3200\ cm^{2}}$$false
- 4$$ {3150\ cm^{2}}$$false
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Answer : 1. "$$ {3168\ cm^{2}}$$"
Q: How much parts of the pits, which are 48 meters long, 16.5 meters wide and 4 meters deep, can be filled in the soil, which is obtained by cylindrical tunnel of 4 meters diameter and 56 meters long?
1676 05f4df6cd82369c1d6113def5
5f4df6cd82369c1d6113def5- 1$$ {1\over 9}$$false
- 2$$ {2\over 9}$$true
- 3$$ {7\over 9}$$false
- 4$$ {8\over 9}$$false
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Answer : 2. "$$ {2\over 9}$$"
Q: Area of a rectangle is equal to the area of a circle whose radius is 14 cm. If the breadth of the rectangle is 22 cm, what is its length?
1674 05fd9c2a5079b5044b465140d
5fd9c2a5079b5044b465140d- 124 cmfalse
- 228 cmtrue
- 326 cmfalse
- 4Cannot be determinedfalse
- 5None of thesefalse
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Answer : 2. "28 cm"
Q: Find the area of triangle whose medians are 8 cm, 15 cm and 17 cm respectively?
1669 060a7a50dc7f1592dd0d64cf3
60a7a50dc7f1592dd0d64cf3- 1$$20 cm^2$$true
- 2$$15 cm^2$$false
- 3$$24 cm^2$$false
- 4$$28 cm^2$$false
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