Volume and Surface Area Practice Question and Answer
8 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 ?
1179 05ef055a07cd71c7944696a50
5ef055a07cd71c7944696a50- 1Rs.5000false
- 2Rs.3000true
- 3Rs.6000false
- 4Rs .4000false
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Answer : 2. "Rs.3000"
Q: Area of a circle inscribed in a square is 308 cm2.The length of the diagonal of the square is
1174 06116240d56340c20700ac888
6116240d56340c20700ac888- 116 cmfalse
- 228 cmtrue
- 324 cmfalse
- 422 cmfalse
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Answer : 2. "28 cm"
Q: A field roller, in the shape of a cylinder, has a diameter of 1 meter and length of meter. If the speed at which the roller rolls is 14 revolutions per minute, then the maximum area ( in m2) that it can roll in 1 hour is:
1173 05f40de25b8958f14fa2b44b4
5f40de25b8958f14fa2b44b4- 13600false
- 23560false
- 33960false
- 43300true
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Answer : 4. "3300"
Q: Two 6 cm diameter balls dipped in a 6 cm radius cylindrical vessel of water. Find the height of water in the vessel?
1171 05f4df649ff09f8700a307c8b
5f4df649ff09f8700a307c8b- 11 cmfalse
- 22 cmtrue
- 33 cmfalse
- 44 cmfalse
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Answer : 2. " 2 cm"
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?
1170 05ee9a2a2b1ffa91fd4a38c62
5ee9a2a2b1ffa91fd4a38c62- 1159 m²false
- 2155 m²true
- 3187 m²false
- 4183 m²false
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Answer : 2. "155 m²"
Q: If the length of the diagonal of a square is cm, then what will be the area of the square?
1168 0610c00e7997056628330e202
610c00e7997056628330e202- 1200 cm2false
- 2100 cm2true
- 3false
- 450 cm2false
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Answer : 2. "100 cm2"
Q: The ratio of the areas of two circles is 16: 25. What will be the ratio of their circumferences?
1161 05f76bab1e487e60dced7c88c
5f76bab1e487e60dced7c88c- 14 : 5true
- 23 : 2false
- 34 : 9false
- 49 : 4false
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Answer : 1. "4 : 5 "
Q: A right circular cylinder is formed by rolling a rectangular sheet of metal of length 44 cm and breath 20 cm along its length. The volume of cylinder is_
1161 05f2cfd3221de6a117aeff4a7
5f2cfd3221de6a117aeff4a7- 13080true
- 24090false
- 34095false
- 45000false
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