Volume and Surface Area Questions Practice Question and Answer
8 Q: The ratio between the length and breadth of a rectangular park is 3: 2. If a man cycling along the boundary of the park at the speed of 12 Km./hr. completes one round in 8 min, then the area of the park in sq.m is –
1310 0600a8bfa7cf1e8512ed33877
600a8bfa7cf1e8512ed33877- 115360false
- 230720false
- 3153600true
- 4307200false
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Answer : 3. "153600"
Q: The height of a square base right prism is 15 cm. If the total surface area of the prism is 608 cm2 , then what will be the volume of prism?
1301 05f2e3eca79b9e641a7646849
5f2e3eca79b9e641a7646849- 1950 cm3false
- 2970 cm3false
- 3960 cm3true
- 4940 cm3false
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Answer : 3. "960 cm3"
Q: From a circle of radius a, a sector, which subtend an angle π/5 at the centre has been cut off. The perimeter of the remaining part of the circle is
1298 05f8016aa0a69ab3becc7d2bf
5f8016aa0a69ab3becc7d2bf- 12πafalse
- 2$$ {π\over 5}{a}$$false
- 3$$ {7π\over 5}{a}$$false
- 4$$ {9π\over 5}{a}$$true
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Answer : 4. "$$ {9π\over 5}{a}$$"
Q: The length, breadth and height of a room is 21 metres, 12 metres and 16 metres. What will be the length of the largest rod that can be placed in that room?
1294 0610c66037588510aa0d4d2f3
610c66037588510aa0d4d2f3- 132 metresfalse
- 225 metresfalse
- 331 metresfalse
- 429 metrestrue
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Answer : 4. "29 metres"
Q: A semicircle is folded to make a cone. Find the height (in cm) of the cone if diameter of the semicircle is 28 cm?
1292 0601a4f64552e5f41f7b07047
601a4f64552e5f41f7b07047- 1$$ {7\sqrt{3}}$$true
- 2$$ {14\sqrt{3}}$$false
- 3$$ {7\sqrt{5}}$$false
- 4$$ {7\sqrt{13}}$$false
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Answer : 1. "$$ {7\sqrt{3}}$$"
Q: If the perimeter of a triangle is 30 cm and the area is 30 square cm, if the length of the larger side is 13 cm, then what is the length of the shorter side?
1290 05f801aa64e4f797ddbd81c04
5f801aa64e4f797ddbd81c04- 14 cmfalse
- 26 cmfalse
- 35 cmtrue
- 410 cmfalse
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Answer : 3. "5 cm"
Q: In the figure given below, AD bisects ∠BAC. If the area of ΔABD=40 cm2 and AC=3AB, then the area of ΔABC:
1287 05f59ce72b772fe2f8b222a04
5f59ce72b772fe2f8b222a04- 1$$ {150 \ cm^{2}}$$false
- 2$$ {100 \ cm^{2}}$$false
- 3$$ {120 \ cm^{2}}$$true
- 4$$ {160 \ cm^{2}}$$false
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Answer : 3. "$$ {120 \ cm^{2}}$$"
Q: If the areas of circular ring having inner and outer radius 8 cm and 12 cm respectively is equal to the total surface area of cylinder of radius R1 and height h, then h in terms of R1 will be :
1286 060b6101727bd974fe7f5d7a5
60b6101727bd974fe7f5d7a5- 1$$ {40-R_1\over {R_1}}$$false
- 2$$ {40-R_1\over {R_1^{2}}}$$false
- 3$$ {40-R_1^{2}}\over R_1$$true
- 4None of thesefalse
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