The price of a house increases every year by $20 \%$. If the present price is $Rs \ 720000$,then what was its price (in $Rs$) $2$ years ago?

$0.15 \%$ of $33 \frac{1}{3} \%$ of $Rs. 10,000$ is?

After giving a $25 \%$ discount on the entry ticket,the number of visitors increased by $30 \%$. What will be the impact on the total revenue from entry tickets compared to other days?

From a container having pure milk,$20 \%$ is replaced by water and the process is repeated thrice. At the end of the third operation,the milk is: (in $\%$ pure)

If inflation increases at a rate of $8 \%$ p.a.,what will a $₹ 20$ article cost at the end of two years?

Aditya's salary is $80\%$ of Amit's salary and $120\%$ of Rajiv's salary. What is Amit's salary if Rajiv's salary is $30,000$ (in $,000$)?