If $35 \%$ of $A$'s income is equal to $25 \%$ of $B$'s income,then the ratio of $A$'s income to $B$'s income is

Suresh gave $40 \%$ of his income to his wife. He gave $25 \%$ of the remaining amount to his son. Of the remaining amount,he spent $60 \%$ on education. Now,the amount with him is $₹ 2700$. What is the amount he gave to his wife?

When the price of sugar decreases by $10 \%$,a man can buy $1 \text{ kg}$ more for $₹ 270$. What is the original price of sugar per $\text{kg}$?

$A$ sum of $₹ 731$ is distributed among $A$,$B$,and $C$,such that $A$ receives $25\%$ more than $B$ and $B$ receives $25\%$ less than $C$. What is $C$'s share in the amount?

If the income of $R$ is $30 \%$ more than the income of $Q$ and the income of $Q$ is $20 \%$ more than the income of $P$,then the income of $R$ is how much percent more than the income of $P$ (in $\%$)?

Water tax is increased by $20 \%$ but its consumption is decreased by $20 \% .$ Then the increase or decrease in the expenditure of the money is