Volume and Surface Area Practice Question and Answer
8 Q: In the figure given below, AD bisects ∠BAC. If the area of ΔABD=40 cm2 and AC=3AB, then the area of ΔABC:
889 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: A cuboidal block of 6 cm × 9 cm ×12 cm is cut into exact number of equal cubes. The least possible number of cubes will be:
996 05f59d0dc69ed13038c147be9
5f59d0dc69ed13038c147be9- 16false
- 29false
- 324true
- 430false
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Answer : 3. "24"
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?
905 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?
775 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: Two 6 cm diameter balls dipped in a 6 cm radius cylindrical vessel of water. Find the height of water in the vessel?
971 05f4df649ff09f8700a307c8b
5f4df649ff09f8700a307c8b- 11 cmfalse
- 22 cmtrue
- 33 cmfalse
- 44 cmfalse
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Answer : 2. " 2 cm"
Q: The perimeter of a rectangle and equilateral triangle is equal. One side of the rectangle is also equal to the side of the triangle. Find the ratio of the areas of the rectangle and triangle?
805 05f4df4075e74bc4ee553f5cd
5f4df4075e74bc4ee553f5cd- 1$$ {\sqrt{3}:1}$$false
- 2$$ {1 : \sqrt{3}}$$false
- 3$$ {2 : \sqrt{3}}$$true
- 4$$ {4 : \sqrt{3}}$$false
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Answer : 3. "$$ {2 : \sqrt{3}}$$"
Q: The bisector of ∠B in ΔABC meets AC at D. If AB=10 cm and BC=11 cm and AC=14 cm, then the length of AD is:
782 05f40dec554900c5349e9eb8f
5f40dec554900c5349e9eb8f- 1$$ {20\over3}$$true
- 222false
- 3$$ {22\over3}$$false
- 420false
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Answer : 1. "$$ {20\over3}$$"
Q: The base of a right prism is a tringle with sides 20 cm, 21 cm and 29 cm. If its volume is 7560 cm3, then its lateral surface area ( in cm2) is:
807 05f40de68b8958f14fa2b49f9
5f40de68b8958f14fa2b49f9- 12556false
- 22448false
- 32520true
- 42484false
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