Question 1
The edges of a cuboid are in the ratio 1:2:3 and its surface area is 88cm2. The volume of the cuboid is
120 cm3
64 cm3
48 cm3
24 cm3
Question 2
Find the length of the largest rod that can be placed in a room of 16m long, 12m broad and 10 2/3 m high.
23 m
68 m
22 2/3m
22 1/3 m
Question 3
Water flows into a tank which is 200m long and 150m wide, through a pipe of cross-section 0.3m x 0.2m at 20 km/hr. Then the time (in hours) for the water level in the tank to reach level of 8m is.
50
120
150
200
Question 4
Three solid iron cubes of edges 4cm, 5cm and 6cm are melted together to make a new cube. 62cm3 of the melted material is lost due to improper handling. The area (in cm2) of the whole surface of the newly formed cube is.
294
343
125
216
Question 5
The same string, when wound on the exterior four walls of a cube of siden cm, starting at point c and ending at point D, can give exactly one turn. The length of the string in cm is..
√2n
√17n
n
√13n
Question 6
A hollow iron pipe is 21 cm long and its exterior diameter is 8cm. If the thickness of the pipe is 1cm and iron weight 8gm/cm3, then the weight of pipe is (π = 22/7)
3.696kg
3.6kg
36kg
36.9kg
Question 7
A right circular cylinder is formed by rolling a rectangular paper 12cm long and 3cm wide along its length. The radius of the base of the cylinder.
3/2π cm
6/π cm
9/2π cm
2π cm
Question 8
A reservoir is supplied water by a pipe 6cm in diameter. How many pipes of 1.5 cm diameter would discharge the same quantity, supposing the velocity of water is same?
8
12
16
20
Question 9
The ratio of the volume of two cones is 2:3 and ratio of their bases is 1:2. The ratio of their heights is ?.
3:8
8:3
4:3
3:4
Question 10
From a circular sheet of paper of radius 10 cm. a sector of area 40% is removed. If the remaining part is used to form a cone. The radius & the higth of the cone will be?
1:2
1:1
3:4
4:3
There are 10 questions to complete.