2017 · Q87
Ice-cream, completely filled in a cylinder of diameter 35 cm and height 32 cm, is to be served by completely filling identical disposable cones of diameter 4 cm and height 7 cm. The maximum number of persons that can be served in this way is
Elementary MathematicsMensuration
- A950
- B1000
- C1050
- D1100
Explanation
Cylinder: π(17.5)²·32 = 9800π cm³. One cone: (1/3)π·2²·7 = 28π/3. Number = 9800π/(28π/3) = 1050: option C.