For the following questions answer them individually
In a computer game a builder can build a wall in 10 hours while a destroyer can demolish such a wall completely in 14 hours. Both the builder and the destroyer were initially set to work together on level ground. But after 7 hours the destroyer was taken out. What was the total time (in hours) taken to build the wall?
Select the option that is related to the third term in the same way as the second term is related to the first term.
Wall : Brick :: Fabric : ?
A solid spherical metal ball of diameter 72 cm is melted and recast into small solid cones of diameter 6 cm and height 6 cm. Find the number of cones that can be formed using this melted metal.
Leela goes for a long drive towards the South. After some time she takes a 90° left turn and then takes a 45° left turn to enter a by-lane. Which direction is Leela heading towards?
A rectangle with length 14 cm and width 3 cm is rotated along its length by 150°. What is the volume of the shape thus generated? (Use $$\pi = \frac{22}{7}$$)