Volume and Surface Area Practice Question and Answer
8 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?
1607 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 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?
1567 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: A wire of length 60 m is used to enclose a field which is in the shape of a right - angled triangle. The area of the field is 150 m2 then, the largest side of the field has a length of:
1563 0600a8dbbbaeda263c3c88998
600a8dbbbaeda263c3c88998- 130 meterfalse
- 220 meterfalse
- 325 metertrue
- 415 meterfalse
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Answer : 3. "25 meter"
Q: The base of a right circular cone has the same radius a as that of a sphere. Both the sphere and the Cone have the same volume. Height of the cone is:
1544 05f06dd1a8e44862142995706
5f06dd1a8e44862142995706- 13afalse
- 2$$ {7\over4}a$$false
- 3$$ {7\over3}a$$false
- 44atrue
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Answer : 4. "4a"
Q: Find the shaded area in the given figure. If each circle having radius of 7cm?

1543 05f155401eddbc50839d4d874
5f155401eddbc50839d4d874- 148 sq.cmfalse
- 244 sq.cmfalse
- 345 sq.cmfalse
- 442 sq.cmtrue
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Answer : 4. "42 sq.cm"
Q: A circular ground of radius 7 m is surrounded by a path of width 3.5 m. Find the area of path.
1528 05edf1f918c4c964f73d404ea
5edf1f918c4c964f73d404ea- 1202 sq.mfalse
- 2154 sq.mfalse
- 3192.5 sq.mtrue
- 4346.5 sq.mfalse
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Answer : 3. "192.5 sq.m"
Q: A rectangular ground 16m long and 10m breadth. It has a gravel path 2.5m wide all around it on the outside. What is the area of the path?
1486 05e843ac541a4013349c17441
5e843ac541a4013349c17441- 1159 m²false
- 2155 m²true
- 3187 m²false
- 4183 m²false
- 5None of the Abovefalse
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Answer : 2. "155 m²"
Q: What is the volume of a cube whose side is 7.5 cm?
1476 05e325343d0aa6f23a8fc4412
5e325343d0aa6f23a8fc4412- 1421.875 cm3true
- 2759.375 cm3false
- 3631.81 cm3false
- 4210.94 cm3false
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