In digging a pond 20 m * 10 m * 5 m the volumes of the soil extracted will be_________?
A. 100 cu.m
B. 1000 cu.m
C. 10000 cu.m
D. 2000 cu.m
Volumes
If the height of a cone is increased by 100% then its volume is increased by_________?
If the height of a cone is increased by 100% then its volume is increased by_________?
A. 100%
B. 200%
C. 300%
D. 400%
A cylinder and a cone have a same height and same radius of the base. The ratio between the volumes of the cylinder and cone is__________?
A cylinder and a cone have a same height and same radius of the base. The ratio between the volumes of the cylinder and cone is__________?
A. 1:3
B. 3:1
C. 1:2
D. 2:1
The length of the longest rod that can fit in a cubical room of 4 m side is?
The length of the longest rod that can fit in a cubical room of 4 m side is?
A. 8.66 m
B. 5.196 m
C. 6.928 m
D. 7.264 m
The area of the cardboard(in cm2) needed to make a box of size 25 cm * 15 cm * 8 cm will be__________?
The area of the cardboard(in cm2) needed to make a box of size 25 cm * 15 cm * 8 cm will be__________?
A. 1390 cm2
B. 695 cm2
C. 1280 cm2
D. 1220 cm2
A tank 3 m long, 2 m wide and 1.5 m deep is dug in a field 20 m long and 14 m wide. If the earth dug out is evenly spread out over the field, the level of the field will raise by nearly?
A tank 3 m long, 2 m wide and 1.5 m deep is dug in a field 20 m long and 14 m wide. If the earth dug out is evenly spread out over the field, the level of the field will raise by nearly?
A. 0.299 cm
B. 0.29 cm
C. 2.98 cm
D. 4.15 cm
A river 2m deep and 45 m wide is flowing at the rate of 3 kmph the amount of water that runs into the sea per minute is?
A river 2m deep and 45 m wide is flowing at the rate of 3 kmph the amount of water that runs into the sea per minute is?
A. 4500 M3
B. 27000 M3
C. 3000 M3
D. 2700 M3
(3000 * 2 * 5)/60 = 4500 M3
The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If 1 cm3 of metal used in the box weighs 0.5 gms, the weight of the box is________?
The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If 1 cm3 of metal used in the box weighs 0.5 gms, the weight of the box is________?
A. 8.56 kg
B. 7.76 kg
C. 7.756 kg
D. 6.832 kg
The ratio of the volumes of a cube to that of the sphere which will fit inside the cube is________?
The ratio of the volumes of a cube to that of the sphere which will fit inside the cube is________?
A. 4:3
B. 4:2
C. 4:4
D. 6: π
A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m2 ?
A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m2 ?
A. Rs.60
B. Rs.57
C. Rs.55
D. Rs.52
Explanation:
2 *3(15 + 4) = 114
114 * 1/2 = Rs.57