In a test,a candidate secured $468$ marks out of maximum marks $A$. If the maximum marks $A$ were converted to $700$ marks,he would have secured $336$ marks. What were the maximum marks of the test?

Three sets of $40, 50,$ and $60$ students appeared for an examination,and the pass percentages were $100\%, 90\%,$ and $80\%,$ respectively. The pass percentage of the whole set is:

The sum of three consecutive numbers is $2262$. What is $41\%$ of the highest number?

$A$ businessman imported laptops worth $Rs$ $210,000$,mobile phones worth $Rs$ $100,000$,and television sets worth $Rs$ $150,000$. He had to pay $10\%$ duty on laptops,$8\%$ on phones,and $5\%$ on television sets. How much total duty (in Rupees) did he have to pay on all items as per the above details?

If a number is increased by $20 \%$ and then reduced by $20 \%$,what is the net change in the number?

$A$ boy found the answer for the question "subtract the sum of $\frac{1}{4}$ and $\frac{1}{5}$ from unity and express the answer in decimals" as $0.45$. The percentage of error in his answer was