Given the principal $=\mathrm{Rs} 40000,$ rate of interest $=8\% p.a.$ compounded annually. If the principal after two years is $₹k$, then find the value of $k$.

Given the principal $=₹40,000,$ rate of interest $=8\% p.a.$ compounded annually. If the interest after $2nd$ year is $₹k$, then find the value of $k$.

Given the principal $=₹40000,$ rate of interest $=8\% p.a.$ compounded annually. If the amount after $2$ years is $₹k$, then find the value of $k$.

In Delhi University, in the year $2009-10,49,000$ seats were available for admission to various courses at graduation level. Out of these $28,200$ seats were for the students of General Category while $7,400$ seats were reserved for $SC$ and $3,700$ seats for $ST.$ Find the percentage of seats available for students of the General category.

In Delhi University, in the year $2009-10,49,000$ seats were available for admission to various courses at graduation level. Out of these $28200$ seats were for the students of General Category while $7400$ seats were reserved for $SC$ and $3700$ seats for $ST.$ Find the percentage of seats available for the students of $SC$ Category and $ST$ Category taken together.

Arunima bought household items whose marked price and discount $\%$ is as follows:

If the total amount of the bill she has to pay is $₹k$, then find the value of $k$.

Devangi’s phone subscription charges for the period $17-02-09$ to $16-03-09$ were as follows :

If the final bill amount if $3\%$ education cess was also charged on service tax is $₹k,$ then find the value of $k$.