# Maths: Mensuration 1 Online Test

If the ratio of the areas of two circles is 4 : 9, the ratio of their circumferences is :
2 : 3
3 : 2
4 : 9
9 : 4
An ice-cream company makes a popular brand of ice-cream in rectangular shaped bar 6 cm long, 5cm wide and 2 cm thick. To cut costs, the company has decided to reduce the volume of the bar by 20 % the thickness will remain the same, but the length and wide will be decreased by the same percentage amount. The new length L will satisfy:
5.5 < L< 6
5 < L< 5.5
4.5 < L< 5
4 < L< 4.5
The volume of a cube is numerically equal to the sum of its edges. What is its total surface area in square units?
66
183
36
72
Three cubes of a metal are of edges 3 cm, 4 cm and 5 cm. These are melted together and from the melted material another cube is formed. The edge of this cube is :
8 cm
10 cm
9 cm
6 cm
A conical cavity is drilled in a circular cylinder of height 15 cm and base radius 8 cm. The height and the base radius of the cone are also same. Then the whole surface of the remaining solid is:
440 p cm2
240 p cm2
640 p cm2
960 p cm2
The ratio of the areas of the inscribed circle to the circumscribed circle of an equilateral triangle is :
1 : 2
1 : 3
1 : 9
1 : 4
A cylinder is circumscribed about a hemisphere and a come is inscribed in the cylinder so as to have its vertex at the centre of one end, and another end as its base. The volume of the cylinder, hemisphere and the cone are respectively in the ratio :
2 : 3 : 2
3 : 2 : 1
3 : 1 : 2
1 : 2 : 3
A cylindrical vessel of radius 4 cm contains water. A solid sphere of radius 3 cm is lowered into the water until it is completely immersed. The water level in the vessel will rise by:
9/2 cm
9/4 cm
4/9 cm
2/9 cm
The floor of a rectangular room is 15 m long and 12 m wide. The room is surrounded by a verandah of width 2 m on all its sides. The area of the verandah is :
124 m2
120 m2
108 m2
58 m2
A water tank in the form of a cuboid has its base 20 m long. 7 m wide and 10 m deep. Initially, the tank is full but later when water is taken out of it, the level of water in the tank reduces by 2 m. The volume of the water left in the tank is :
1120 m3
400 m3
280 m3
140 m3
A tank 30 m long 20 m wide and 12 meters deep is drug in a field 500 m long and 30 m wide. By how much will the level of the field rise if the earth dug out of the tank is evenly spread over the field?
0.33 m
0.5 m
0.25 m
0.4 m
A solid cylinder and a solid cone have equal base and equal height. If the radius and the height be in the ratio of 4 : 3, the ratio of the total surface area of the cylinder to that of the cone is in the ratio of :
10 : 9
11 : 9
12 : 9
14 : 9
A toy is in the form of a cone mounted on a hemisphere of radius 3.5 cm. The total height of the toy is 15.5 cm. Find the total surface area : ( use p = 22/7)
137.5 cm2
214.5 cm2
154 cm2
291.5 cm2
The area of a figure formed by a square of side 8 cm and an isosceles triangle with base as one side of the square and perimeter as 18 cm is:
80 cm2
84 cm2
104 cm2
76 cm2
A cylindrical tub of radius 12 cm contains water to a depth of 20 cm. A spherical iron ball is dropped into the tub and thus the level of water is raised by 6.75 cm. What is the radius of the ball?
6 cm
9 cm
8 cm
None of these
The height of a room is 40 % of its semi perimeter. It cost Rs. 260 to paper the walls of the room with paper 50 cm wide @ Rs. 2 per metre allowing an area of m2 for doors and windows. The height of the room is:
2.6 m
3.9 m
4.0 m
4.2 m
A swimming pool 9 m wide and 12 m long is 1 m deep on the shallow side and 4 m deep on the deeper side. Its volume is:
408 m3
360 m3
270 m3
208 m3
One side of a right-angled triangle is twice the other, and the hypotenuse us 10 cm. The area of the triangle in square centimeters is :
40
50
100/3
20
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This paper has 18 questions which are required to be completed in 25 minutes approximately.

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good one for us

4636 days 11 hours 27 minutes ago

Kalyan Sarkar
Psychological interventions in Mathematics Study
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