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Mathematics Solved MCQs Online Quiz Test
Q.1: Find the greatest 4-digit number exactly divisible by 3, 4 and 5?
Q.2: Find the smallest number which when increased by 5, divisible by 6, 9, 15, 20 and 24?
Q.3: A gardener was asked a plant flowers in a row containing equal number of plants. He tried to plant 6, 8, 10 and 12 in each row, but 5 plants left in each case. When he planted 13 in a row, no plant was left. Find the number of plants with him?
Q.4: If the volume and surface area of a sphere is numerically the same then it’s radius is———?
- 1 unit
- 2 units
- 3 units
- 4 units
Q.5: A right cylinder and a right circular cone have the same radius and the same volume. The ratio of the height of the cylinder to that of the cone is———?
- 3: 5
- 2: 5
- 3: 1
- 1: 3
Q.6: The radius of a circular cylinder is the same as that of a sphere. Their volumes are equal. The height of the cylinder is——–?
- 4/3 times its radius
- 2/3 times its radius
- Equal to it’s radius
- Equal to it’s diameter
Q.7: The number of solid spheres each of diameter 6 cm, that could be moulded to form a solid metal cylinder of height 45 cm and diameter 4 cm is?
Q.8: The length of the wire of 0.2mm radius that can be drawn after melting a solid copper sphere of diameter 18cm?
- 24.3 m
- 243 m
- 2430 m
- 24300 m
Q.9: The radius of a wire is decreased to one –third if volume remains the same length will increase
- 1 Time
- 3 times
- 6 times
- 9 times
Q.10: If the volumes of two cubes are in the ratio 8: 1, the ratio of their edges is———?
- 8: 1
- 2 : 1
- 2√2 : 1
- None of these