Vita is setting up a factory to manufacture tennis balls. If he buys a machine that costs ៛26968, then he can manufacture a tennis ball for ៛2.9. On the other hand, if he buys a machine that costs ៛17800, he can manufacture a tennis ball for ៛5.3. How many tennis ball should he manufacture, so that total cost is the same no matter which machine he buys?
A room is ^@13 \space m^@ long and ^@11 \space m^@ broad. It has one door measuring ^@1 \space m^@ by ^@1.7 \space m^@ and two windows each measuring ^@1.4 \space m^@ by ^@1.4 \space m^@. The cost of painting the walls of the room at the rate of ^@៛140^@ per ^@m^2^@ is ^@៛100287.6^@. Find the height of the room.
The graph below shows the average daily circulation (in thousands) of two newspapers (A and B) for ten years. Find the difference in the average daily circulation of two newspapers in the year when the difference in average daily circulation was maximum.
Find the compound interest of ^@ ៛50000 ^@ after ^@ 2 ^@ years, compounded annually. The rate of interest is ^@ 11 \% ^@ per annum during the first year and ^@ 16 \% ^@ per annum during the second year.
It is Brianna's birthday today and she distributed toffees to her classmates. The toffees were in a bag as shown below. Brianna's puts her hand in the bag and takes out a toffee without looking. What is the probability that she picked out a striped toffee?