Less and More

A number $x$ is mistakenly divided by $10$ instead of being multiplied by $10$. What is the percentage error in the result?

Weights of two friends Ram and Shyam are in the ratio of $4 : 5$. Ram'€s weight increases by $10\%$ and the total weight of Ram and Shyam together becomes $82.8 \mathrm{kg}$, an increase of $15\%$. By what percent did the weight of Shyam increase ?

If the length and the breadth of a rectangle are increased by $25\%$ and $44\%$ respectively, by what $\%$ does the area of that rectangle increase ?

In Veeru Bhai Pvt.limited company $60\%$ of the employees are men and $48\%$ of the employees are Engineer and $66.6\%$ of these are men. The $\%$ of women who are not engineers:

Asha's salary was increased by $10\%$. In order to bring her salary back to the original value, her new salary must be decreased by what per cent?

Study the data carefully and answer the following question.

Table shows the profit earned by three different sellers on selling five different crops per kg.

The total profit earned by Ramu, Shyamu and Prem on selling $1 \mathrm{kg}$ of rice each is how much percent more than the total profit earned by Ramu, Shyamu and Prem on selling $1 \mathrm{kg}$ of jute each?

A and B jointly owe $₹100$ to C. A pays $₹100$ to  C, B not knowing this pays another $₹100$ to C.Is C bound to return $₹100$received extra by him.

A man invested $₹49,600$ in the bank account for his two daughters whose ages are $13$years and $15$years in such a way that they will get equal amount at the age of $18$years. Find the share of the elder girl, if the rate of interest is $6\%$ p.a.

$18\%$ of $650$students in a school chose to attend cricket coaching classes. how many students attend these classes.

The total population of a town is $60000$. If the population of male and female is increased by $16\% \text{and} 6\%$ respectively, then the total population will be increased by $10\%$. Then after increment, the population of male and female was:

In $2015$, Bonny's weight was $40 \mathrm{kg}$. In $2016$, his weight is $46 \mathrm{kg}$. Find the percentage increase in his weight in $2016$ over $2015$.

A company had sold $20,000$ books in $2014$. In the year $2016$, they could sell $17,500$ books. What is the percentage decrease in the sale of books in $2016$ over $2014$?

I lent $₹3000$ to Manish for $4$ years and $₹2000$ to Samar for $2$ years. Find the rate of interest if I get an interest of $₹480$ in the end.

What should be the decrease in the sale of an article, if there is an increase of $16\%$ in its price, so that the expenditure incurred on that article remains the same.

If increasing $50$ by $A$ percent is the same as decreasing $75$ by $A$ percent, the value of $A$ is 

Sumit has lent $₹15,500$ to Vishal at $4\%$ per annum for$9$months. How much will Sumit get from Vishal after$9$months?

What is the formula of amount?

The tax on a commodity is diminished by $15\%$ and its consumption increased by $15\%$. Find the percentage decrease in the revenue collected from it.

If the length of a rectangle is decreased by $60\%$ and the width is increased by $30\%$. What will be the percentage change in the area of the rectangle?

A person's salary has increased from $₹12500$ to $₹14375$. What is the percentage increase in his salary?