For the following questions answer them individually
A certain sum of money amounts to 3 times of itself in 13 years when interest is compounded annually at a certain rate of interest per annum. In how many years will the initial sum amount to 9 times of itself at the same rate of interest per annum, also compounded annually?
Four years ago, Shyam's age was $$\frac{3}{4}$$ times that of Ram. Four years hence, Shyam's age will be $$\frac{5}{6}$$ times that of Ram. What is the present age of Shyam?
The following pie chart shows the percentage number of students who play different sports.
If the total number of students are 500, then how many students play cricket?
The following bar graph gives figures for the production of fans and of coolers by a large company in four consecutive years.
Calculate the ratio of the number of fans produced in 1998 to the number of coolers produced in 2001.
Who among the following was the first Mauryan ruler who tried to spread his message to the people through inscriptions?