NCERT Class 10 Maths Solutions Chapter - 13 Surface Areas and Volumes, Ex - 13.3

Ex - 13.3

Question 1.


Solution



Question 2.


Solution



Question 3.


Solution



Question 4.


Solution



Question 5.  A container shaped like a right circular cylinder having diameter 12 cm and height 15 cm is full of ice cream. The ice cream is to be filled into cones of height 12 cm and diameter 6 cm, having a hemispherical shape on the top. Find the number of such cones which can be filled with ice cream.

Solution






Question 6.


Solution



Question 7.  A cylindrical bucket, 32 cm high and with radius of base 18 cm, is filled with sand. This bucket is emptied on the ground and a conical heap of sand is formed. If the height of the conical heap is 24 cm. find the radius and slant height of the heap.

Solution




Question 8.


Solution



Question 9.  A farmer connects a pipe of internal diameter 20 cm from a canal into a cylindrical tank in her field, which is 10 m in diameter and 2 m deep. If water flows through the pipe at the rate of 3 km/h, in how much time will the tank be filled?

Solution

Ex-13.4