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

If all sides of a hexagon are increased by $7 \%$,find the percentage increase in its area. (in $\%$)

When a number is divided by $12$,the quotient becomes $1/4$ of another number. By what percentage is the first number greater than the second number?

$0.01$ is what percent of $0.1$?

An engineering student has to secure $25 \%$ marks to pass. He gets $47$ marks and fails by $43$ marks. What are the maximum marks of the examination?

The price of sugar has fallen by $10 \%$. How many quintals can be bought for the same money which was sufficient to buy $18$ quintals at the higher price?