Challenger App

No.1 PSC Learning App

1M+ Downloads
A solid metallic hemisphere of radius 5.4 cm is melted and recast into a right circular cylinder of radius 12 cm. What is the height (in cm) of the cylinder?

A0.625

B0.729

C0.468

D0.325

Answer:

B. 0.729

Read Explanation:

image.png

Related Questions:

ഒരു സമചതുരത്തിന്ടെ ഒരു വശം 3 cm ആണ് . അതിന്ടെ വികർണത്തിന്ടെ നീളം എത്ര ?
The slope of the line joining the points (3,-2) and (-7, 4) is :
The sum of the length, width and depth of a cuboid is 8 cm and its diagonal is 5 cm. What is its surface area?
If the radius of the base of a right circular cylinder is decreased by 27% and its height is increased by 237%, then what is the percentage increase (closest integer) in its volume?
The area of a square is 900 cm². Its perimeter is equal to the perimeter of a regular hexagon. What is the area (in cm²) of the hexagon?