Mukesh has twice as much money as Soham. Soham has $50 \%$ more money than Pankaj. If the average money with them is ₹ $110$,then Mukesh has:

The percentage increase in the surface area of a cube when each side is doubled is:

How many litres of pure acid are there in $8$ litres of a $20\%$ solution?

An army lost $10 \%$ of its men in war,$10 \%$ of the remaining died due to disease,and $10 \%$ of the rest were declared disabled. Thus,the strength of the army was reduced to $7,29,000$ active men. What was the original strength of the army?

The price of an article is cut by $20 \%$. To restore it to its original price,the new price must be increased by:

If $A = x \%$ of $y$ and $B = y \%$ of $x$,then which of the following is true?