If the height of a triangle is decreased by $40 \%$ and its base is increased by $30 \%$,what will be the effect on the area?

In Mumbai,$60 \%$ of the registered voters are $BJP$-supporters and the rest are Congress-supporters. In a mayoral race,if $75 \%$ of the registered voters who are $BJP$-supporters and $20 \%$ of the registered voters who are Congress-supporters are expected to vote for candidate $X$,what percent of the registered voters are expected to vote for candidate $X$?

$A$ batsman scored $110$ runs which included $3$ boundaries and $8$ sixes. What percent of his total score did he make by running between the wickets?

If $A$'s height is $40 \%$ less than that of $B$,how much percent is $B$'s height more than that of $A$?

$37 \frac{1}{2} \%$ of $₹ 48$ is:

The monthly income and monthly expenditure of a person were $₹ 13500$ and $₹ 9000$ respectively. In the next year,his income increased by $14 \%$ while his expenditure increased by $7 \%$. The percentage increase in his savings is: (in $\%$)