A man is 6 years older than his wife and the wife is now thrice as old as their daughter, who is 10 years old. How old was the man when his daughter was born?
If a rhombus is re-shaped such that one of its diagonal increases by 2%, while other diagonal decreases by 2%. Find the percentage change in the area of rhombus.
If a person lent ^@ £30000 ^@ at ^@8 \%^@ interest per annum compounded half yearly for ^@1^@ year, then what is the amount of interest received by him at the end of ^@1^@ year?
It is Rory's birthday today and he distributed toffees to his classmates. The toffees were in a bag as shown below. Rory's puts his hand in the bag and takes out a toffee without looking. What is the probability that he picked out a striped toffee?