Related InterviewSolutions

• Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm , when it is completely immersed in water.
• A colth having an area of `165 m^(2)`is shapped into the form of a conical tent of radius 5 m. (i) How many students can sit in the tent, if a student on an average occupies `(5)/(7)m^(2)` on the ground ? (ii) Find the volume of the cone.
• How many square metres of canvas is required for a conical tent whose height is 3.5 m and the base is 12 m?
• If the radius of a sphere is 2r , them its volume will beA. `(4)/(3)pir^(3)`B. `4pir^(3)`C. `(8pir^(3))/(3)`D. `(32)/(3) pir^(3)`
• A small village having a population of 5000, requires 75 L of water per head per day . The village has got an overhead tank of measurement `40 mxx 25 mxx 15 m`.For how days will the water of this tank last?
• A school provides milk to the studenst daily in a cylinder glasses of diameter 7 cm. If the glass is filled with milk upto an height of 12 cm, find how many liters of milk is needed to server 1600 students.
• A cube of side 4cm contains a sphere touching itsside. Find the volume of the gap in between.
• A sphere and a right circule cylinder of the same radius have equal volume. By what percentage does the diameter of the cylinder exceed its height ?
• If theradii of two cylinders are in the ratio 2:3 and their heights are in theratio 5:3, then find the ratio of their volumes.A. `10:17`B. `20:27`C. `17: 27`D. `20: 37`
• If the radius of a cylinder is doubled and its curved surface area is not changed, the height must be halved.