Online Maths Question Answers For Exams Test

Q.1: Calculate the number of bricks, each measuring 25 cm * 15 cm * 8 cm required to construct a wall of dimensions 10 m * 4 m * 5 m when 10% of its volume is occupied by mortar?

1. 4000
2. 5000
3. 6000
4. 7000

Q.2: If in a box of dimensions 6 m * 5 m * 4 m smaller boxes of dimensions 60 cm * 50 cm * 40 cm are kept in it, then what will be the maximum number of the small boxes that can be kept in it?

1. 500
2. 1000
3. 900
4. 600

Q.3: A brick measures 20 cm * 10 cm * 7.5 cm how many bricks will be required for a wall 25 m * 2 m * 0.75 m?

1. 24000
2. 23000
3. 22000
4. 25000

Q.4: In digging a pond 20 m * 10 m * 5 m the volumes of the soil extracted will be———?

1. 100 cu.m
2. 1000 cu.m
3. 10000 cu.m
4. 2000 cu.m

Q.5: If the height of a cone is increased by 100% then its volume is increased by———?

1. 100%
2. 200%
3. 300%
4. 400%

Q.6: 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———-?

1. 1:3
2. 3:1
3. 1:2
4. 2:1

Q.7: The length of the longest rod that can fit in a cubical room of 4 m side is?

1. 8.66 m
2. 5.196 m
3. 6.928 m
4. 7.264 m

Q.8: The area of the cardboard(in cm2) needed to make a box of size 25 cm * 15 cm * 8 cm will be———-?

1. 1390 cm2
2. 695 cm2
3. 1280 cm2
4. 1220 cm2

Q.9: 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?

1. 0.299 cm
2. 0.29 cm
3. 2.98 cm
4. 4.15 cm

Q.10: 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?

1. 4500 M3
2. 27000 M3
3. 3000 M3
4. 2700 M3