Mensuration Questions Practice Question and Answer
8 Q: The total surface area of a solid right circular cylinder is twice that of a solid sphere. If they have the same radii, the ratio of the volume of the cylinder to that of the sphere is given by
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5d70a815d8eebc768d1122d2- 19:4true
- 22:1false
- 33:4false
- 44:9false
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Answer : 1. "9:4"
Q: Balls of marbles of diameter 1.4 cm are dropped into a cylindrical beaker containing some water and fully submerged. The diameter of the beaker is 7 cm. Find how many marbles have been dropped in it if the water rises by 5.6 cm?
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5d70a79856d6e076952aefad- 150false
- 2150true
- 3250false
- 4350false
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Answer : 2. "150"
Q: A Solid cylinder has total surface area of 462 sq.cm. Its curved surface area is one third of the total surface area. Then the radius of the cylinder is
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5d70a70656d6e076952aefa4- 17cmtrue
- 23.5 cmfalse
- 39 cmfalse
- 411 cmfalse
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Answer : 1. "7cm"
Q: If the sum of three dimensions and the total surface area of a rectangular box are 12 cm and 94 $$\ cm^2 $$ respectively, then the maximum length of a stick that can be placed inside the box is
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5d70a53fd8eebc768d1121dc- 15√2 cmtrue
- 25 cmfalse
- 36 cmfalse
- 42√5 cmfalse
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Answer : 1. "5√2 cm"
Q: If the area of a circle inscribed in a square is 9π $$ {}\ cm^2 $$, then the area of the square is
958 05d70a32e3b18207684daed7c
5d70a32e3b18207684daed7c- 1$$ {24}\ cm^2 $$false
- 2$$ {30}\ cm^2 $$false
- 3$$ {36}\ cm^2 $$true
- 4$$ {81}\ cm^2 $$false
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Answer : 3. "$$ {36}\ cm^2 $$"
Q: If the length and breadth of a rectangle are in the ratio 3:2 and its perimeter is 20 cm, then the area of the rectangle (in cm2) is
977 05d709baa3b18207684dae264
5d709baa3b18207684dae264- 1$$ {24}\ cm^2 $$true
- 2$$ {36}\ cm^2 $$false
- 3$$ {48}\ cm^2 $$false
- 4$$ {12}\ cm^2 $$false
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Answer : 1. " $$ {24}\ cm^2 $$"
Explanation :
2(3x+2x)=20
x=2
then the length and breadth of a rectangle is 6, and 4
The Area of Rectangle will be Length*breadth=6*4=24 cm2
Q: The difference of the areas of two squares drawn on two line segments of different lengths is 32 sq.cm, Find the length of the greater line segment if one is longer than the other by 2cm.
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5d709a4e3b18207684dae1df- 17 cmfalse
- 29 cmtrue
- 311 cmfalse
- 416 cmfalse
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Answer : 2. "9 cm"
Explanation :
According to question given that x2-y2=32, and x-y=2
then we find x and y
Q: The radius of a circular wheel is 1.75 m. The number of revolutions it will make in travelling 11 km is (use );
1149 05d7098a13b18207684dae1da
5d7098a13b18207684dae1da- 1800false
- 2900false
- 31000true
- 41200false
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Answer : 3. "1000"
Explanation :
According to question (2πr)n=11000 meter
then n is number of circle n=11000/2πr
n=1000 Ans.