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question_answer1)
If two cubes of sides 9 cm each are joined end by end then the surface area of cuboid will
A)
800 \[c{{m}^{2}}\] done
clear
B)
810 \[c{{m}^{2}}\] done
clear
C)
820 \[c{{m}^{2}}\] done
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D)
830 \[c{{m}^{2}}\] done
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question_answer2)
If the area of base of a cone is 154 cm2 and height is 9 cm, then the curved surface area of cone will be
A)
200.53 \[c{{m}^{2}}\] done
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B)
220.53 \[c{{m}^{2}}\] done
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C)
240.8 \[c{{m}^{2}}\] done
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D)
250.8 \[c{{m}^{2}}\] done
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question_answer3)
The number of cubical ice pieces of side 3 cm that can be cut from a cube of ice of side 9 cm is
A)
16 done
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B)
26 done
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C)
27 done
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D)
28 done
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question_answer4)
The bricks of dimension \[\mathbf{15cm}\times \mathbf{25cm}\times \mathbf{7cm}\] required to build a wall \[\left( \mathbf{3}.\mathbf{5}\times \mathbf{10}\times \mathbf{12} \right){{\mathbf{m}}^{\mathbf{3}}}\]are
A)
160000 done
clear
B)
170000 done
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C)
180000 done
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D)
200000 done
clear
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question_answer5)
How many cubes each of edge 6 cm can be cut from a cuboid of\[\mathbf{42cm}\times \mathbf{36cm}\times \mathbf{24cm}\]?
A)
142 done
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B)
186 done
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C)
168 done
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D)
124 done
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question_answer6)
Find the surface area of a cuboid whose dimensions are 25m, 10m and 2 m.
A)
610 \[{{m}^{2}}\] done
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B)
640 \[{{m}^{2}}\] done
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C)
650 \[{{m}^{2}}\] done
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D)
620 \[{{m}^{2}}\] done
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question_answer7)
The surface area of a cube is 216 sq. cm. Find its volume
A)
216 \[c{{m}^{3}}\] done
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B)
150 \[c{{m}^{3}}\] done
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C)
136 \[c{{m}^{3}}\] done
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D)
263 \[c{{m}^{3}}\] done
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question_answer8)
On a rainy day 60 mm of rain falls, find how many cubic metres of water falls on 3 hectares of ground on that day
A)
28000 \[{{m}^{3}}\] done
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B)
16000 \[{{m}^{3}}\] done
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C)
18000 \[{{m}^{3}}\] done
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D)
1600 \[{{m}^{3}}\] done
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question_answer9)
Volume of two cubes are in the ratio 1 : 27, find the ratio of their surface areas.
A)
2 : 9 done
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B)
1 : 9 done
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C)
1 : 11 done
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D)
2 : 13 done
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question_answer10)
The height of a cylinder is 80 cm and diameter of the base is 14 cm. Find the volume of cylinder.
A)
12320 cubic units done
clear
B)
15000 cubic units done
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C)
21320 cubic units done
clear
D)
3560 cubic units done
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question_answer11)
A rectangular piece of paper is 71 cm long and 10 cm wide. A cylinder is formed by rolling the paper along its breadth. Find the volume of the cylinder.
A)
654 done
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B)
764 done
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C)
500 done
clear
D)
564.78 done
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question_answer12)
Two circular cylinders of equal volume have their heights in the ratio 9 : 16 Find the ratio of their radii
A)
4 : 3 done
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B)
5 : 6 done
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C)
2 : 5 done
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D)
5 : 7 done
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question_answer13)
How many coins 1.4 cm in diameter and 0.4 cm thick is to be melted to form, right circular cylinder of height 16 cm and diameter 3.5 cm
A)
200 done
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B)
150 done
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C)
250 done
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D)
300 done
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question_answer14)
A right circular cone has height of 12 cm and base diameter of 70 cm. Find slant height
A)
37 cm done
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B)
27 cm done
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C)
36 cm done
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D)
26 cm done
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question_answer15)
A conical tent is of diameter 12m at the base and its height is 8m. Find the area of the canvas (in\[{{m}^{2}}\]) required to make the tent.
A)
188.57 m done
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B)
288 m done
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C)
400 m done
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D)
500 m done
clear
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question_answer16)
How many meters of cloth 2.5 m wide will be required to make a conical tent whose base radius is 7m and height is 24 m.
A)
220 m done
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B)
150 m done
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C)
300 m done
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D)
300 m done
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question_answer17)
Two right circular cones of equal curved surface areas have their slant heights in the ratio of 3 : 5. Find the ratio of their radii.
A)
5 : 3 done
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B)
5 : 7 done
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C)
8 : 3 done
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D)
3 : 5 done
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question_answer18)
Find the surface area of a sphere of radius 6.3 cm.
A)
600 \[c{{m}^{2}}\] done
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B)
700 \[c{{m}^{2}}\] done
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C)
550 \[c{{m}^{2}}\] done
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D)
498.96 \[c{{m}^{2}}\] done
clear
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question_answer19)
Find the volume of a sphere whose surface area is 2464 \[\mathbf{c}{{\mathbf{m}}^{\mathbf{2}}}\]
A)
11498.67 \[c{{m}^{3}}\] done
clear
B)
12298 \[c{{m}^{3}}\] done
clear
C)
23598.67 \[c{{m}^{3}}\] done
clear
D)
1248.67 \[c{{m}^{3}}\] done
clear
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question_answer20)
Find the number of lead balls of radius 1 cm each that can be made from a sphere of radius 4 cm.
A)
24 done
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B)
85 done
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C)
64 done
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D)
46 done
clear
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question_answer21)
Find the surface area of a sphere of radius 7 cm.
A)
616 \[c{{m}^{2}}\] done
clear
B)
516 \[c{{m}^{2}}\] done
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C)
590 \[c{{m}^{2}}\] done
clear
D)
450 \[c{{m}^{2}}\] done
clear
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question_answer22)
The curved surface area of a right circular cylinder of height 14 cm is 88 \[\mathbf{c}{{\mathbf{m}}^{\mathbf{2}}}\]. Find the diameter of the base of the cylinder.
A)
2 cm done
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B)
5cm done
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C)
4 cm done
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D)
6 cm done
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question_answer23)
Find the volume of right circular cylinder, if the radius (r) of its base and height (h) are 7 cm and 15 cm respectively.
A)
2310 \[c{{m}^{3}}\] done
clear
B)
3310 \[c{{m}^{3}}\] done
clear
C)
4210 \[c{{m}^{3}}\] done
clear
D)
2500 \[c{{m}^{3}}\] done
clear
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question_answer24)
The area of the base of right circular cylinder is 154 cm' and its height is 15 cm. Find the volume of the cylinder.
A)
1580 \[c{{m}^{2}}\] done
clear
B)
2310 \[c{{m}^{3}}\] done
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C)
3210 \[c{{m}^{3}}\] done
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D)
1576 \[c{{m}^{2}}\] done
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question_answer25)
The circumference of the base of a cylinder is 132 cm and its height 25 cm. Find the volume of the cylinder.
A)
34650 \[c{{m}^{2}}\] done
clear
B)
25650 \[c{{m}^{2}}\] done
clear
C)
32150 \[c{{m}^{2}}\] done
clear
D)
44650 \[c{{m}^{2}}\] done
clear
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question_answer26)
The diameter of a cone is 14 cm and its slant height is 9 cm. Find the area of its curved surface
A)
128 \[c{{m}^{2}}\] done
clear
B)
110 \[c{{m}^{2}}\] done
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C)
198 \[c{{m}^{2}}\] done
clear
D)
200 \[c{{m}^{2}}\] done
clear
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question_answer27)
Find the total surface area of a cone, it its slant height is 9 m and the radius of its base is 12 m.
A)
562 \[{{m}^{2}}\] done
clear
B)
792 \[{{m}^{2}}\] done
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C)
692 \[{{m}^{2}}\] done
clear
D)
600 \[{{m}^{2}}\] done
clear
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question_answer28)
The ratio between the length and width of a field is 10 : 60 The area of the 3840 \[{{\mathbf{m}}^{\mathbf{2}}}\]. Find the difference between the length and width of the field.
A)
32 m done
clear
B)
24 m done
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C)
20 m done
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D)
18 m done
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question_answer29)
A room of the hall is such that the ratio of the height of the room to its semi perimeter is 6 : 10. the cost of paper to cover the wall of the room is Rs. 1700, when the width of the paper is 100 cm and the rate to cover the wall is Rs. 10 per meter. The door and window whose area is 40 m2 are not to be covered. The height of the room is
A)
\[2\sqrt{6}\,m\] done
clear
B)
\[6\sqrt{0.475}\,m\] done
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C)
\[4\sqrt{6}\,m\] done
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D)
\[5\sqrt{6}\,m\] done
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question_answer30)
A letter 'T' shape is made by sticking together 2 cuboids as shown in tile diagram. What is the total volume of the letter T.
A)
57 \[c{{m}^{3}}\] done
clear
B)
64 \[c{{m}^{3}}\] done
clear
C)
48 \[c{{m}^{3}}\] done
clear
D)
25 \[c{{m}^{3}}\] done
clear
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