Mensuration Questions Practice Question and Answer
8 Q: The diameter of the base of a right-circular cylinder is 12 cm and the height of the cylinder is 2.45 times the radius of its base. Find the curved surface area of the cylinder. [Use π=22/7]
1247 064476ec59e10c4684bfe7b44
64476ec59e10c4684bfe7b44- 1true
554.4 cm2
- 2false
552.4 cm2
- 3false
556.4 cm2
- 4false
544.4 cm2
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Answer : 1. "554.4 cm2
"
Q: The circumference of the base of a right circular cone is 44 cm and its height is 24 cm. The curved surface area (in cm2) of the cone is: (Taken π=22/7)
1247 064c21cd1a4dbfb486bc97fb2
64c21cd1a4dbfb486bc97fb2- 1528false
- 2572false
- 3550true
- 4440false
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Answer : 3. "550"
Q: The slant height and the radius of a right circular cone are 11 cm and 6 cm, respectively. What is the curved surface area of the cone?
1246 16433b7e0a16c2dfa9cdac597
6433b7e0a16c2dfa9cdac597- 1$${{74л cm^2}}$$false
- 2$${{60л cm^2}}$$false
- 3$${{44л cm^2}}$$false
- 4$${{66л cm^2}}$$true
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Answer : 4. "$${{66л cm^2}}$$"
Q: Two identical circles intersect each other such that each passes through the centre of the other. Length of common chord is 16√3 cm. What is the radius of each circle?
1235 06450e79339143d085f37644d
6450e79339143d085f37644d- 116 cmtrue
- 216√3 cmfalse
- 316√2 cmfalse
- 48√3 cmfalse
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Answer : 1. "16 cm"
Q: The minute hand of a clock is 20 cm long. Find the area on the face of the clock swept by the minute hand between 8 a.m. and 8:45 a.m.
1230 06480419823e51f4777046b87
6480419823e51f4777046b87- 1$${6600\over 18}cm^2$$false
- 2$${6600\over 7}cm^2$$true
- 3$${6600\over 14}cm^2$$false
- 4$${6600\over 9}cm^2$$false
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Answer : 2. "$${6600\over 7}cm^2$$"
Q: What is the total surface area of a cylinder having radius of base as 7 cm and height as 5 cm?
1230 0644fa164f3618908bf547d10
644fa164f3618908bf547d10- 1false
426 cm2
- 2true
528 cm2
- 3false
428 cm2
- 4false
572 cm2
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Answer : 2. "528 cm2
"
Q: If the radius of a circle is increased by 15% its area increases by _____.
1228 062ea39c9ceafbe581b7580ab
62ea39c9ceafbe581b7580ab- 130 percentfalse
- 232.25 percenttrue
- 315 percentfalse
- 416.125 percentfalse
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Answer : 2. "32.25 percent"
Q: A metallic solid spherical ball of radius 3 cm is melted and recast into three spherical balls. The radii of two of these balls are 2 cm and 1.5 cm. What is the surface area (in cm2) of the third ball?
1226 064c8d7148f85ca715581d14b
64c8d7148f85ca715581d14b- 150 πfalse
- 2$${25\over 4}π$$false
- 3$$25 π$$true
- 4$${25\over 2}π$$false
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