The price of a table depreciates every year by $20 \%$. If the value of the table after $2$ years is $Rs$ $32,000$,then what is the present price (in $Rs$) of the table (in $,000$)?

If $40 \%$ of a number is equal to two-third of another number,what is the ratio of the first number to the second number?

One type of liquid contains $20 \%$ water and the second type of liquid contains $35 \%$ water. $A$ glass is filled with $10$ parts of the first liquid and $4$ parts of the second liquid. What is the percentage of water in the new mixture in the glass?

In an examination,$35 \%$ of the students passed and $455$ failed. How many students appeared for the examination?

The population of Delhi increases by $10 \%$ every year. If the current population of Delhi is $1,331,000$,what was its population $3$ years ago?

$A$ man spends $15 \%$ of his income. If his expenditure is $Rs$ $75,$ his income (in rupees) is: