Question Text
Question 1 :
A cylindrical tank $7km$ in diameter, contains water to a depth of $4m.$ Find the total area of the wet surface $\left( {\pi = 3.14} \right)$
Question 2 :
The diameter of two right circular cones are equal. If their slant heights are in the ratio $3 : 2$, then what is the ratio of their curved surface areas?
Question 3 :
Find the total surface area of a hollow cylinder of internal radius 3 cm thickness 1 cm and height 14 cm
Question 4 :
The volume of a sphere of diameter 2p cm is given by
Question 5 :
How many cubic meters of earth must be dug out to make a well of dimeter 5 m and depth 14 m?<br><br>
