If one number is $80 \%$ of the other and the sum of their squares is $656$,then the numbers are:

The weight of a container alone is $25 \%$ of the container filled with a certain fluid. When some fluid is removed,the weight of the container and remaining fluid is $60 \%$ of the original total weight. What fractional part of the liquid has been removed?

In a competitive examination in state $A$,$6\%$ of the total candidates who appeared were selected. State $B$ had an equal number of candidates who appeared,and $7\%$ of the candidates were selected,which resulted in $80$ more candidates being selected than in state $A$. What was the number of candidates who appeared from each state?

$0.15 \%$ of $33 \frac{1}{3} \%$ of $₹ 10000$ is

The present population of a town is $26010$. It increases annually at the rate of $2\%$. What was the population of the town two years ago?

The price of a commodity rises from $Rs. 6$ per $kg$ to $Rs. 7.50$ per $kg$. If the expenditure cannot increase,what is the percentage reduction in consumption (in $\%$)?