Question 1 :
A person sells $36$ oranges per rupee and suffers a loss of $4$% Find how many oranges should be sold per rupee to have a gain of $8$%. 
Question 2 :
If a number increased by $8\%$ of itself gives $135,$ then that number is
Question 3 :
The marketed price of a T.V. is Rs. $32,500$. After allowing a $20$% Diwali discount to customer, a shopkeeper still makes a profit of $30$%. Find the cost price of the T.V. 
Question 4 :
In what time will the simple interest on Rs. $1,000$ at $6$ % be equal to S.I. on Rs. $600$ for $4$ years at $5$%.
Question 6 :
Henry has Rs. $1200$ in a savings account that earns $12\%$ annually. How much will he have in $4$ years?
Question 7 :
An alloy of copper and zinc contains $65 \%$ of copper.The weight of zinc in $3.6 \,kg$ of alloy is
Question 8 :
By selling $8$ dozen pencils, a shopkeeper gains the selling price of $1$ dozen pencils. What is the gain?
Question 9 :
An amount of Rs x at compound interest at 20 % per year for 3 years becomes y What is y : x?
Question 10 :
In an examination , 65% of the total examinees passed. If the number of failures is 420, the total number of examinees is 
Question 11 :
Due to an increase of 30% in the price of eggs, 3 eggs less are available for Rs. 7.80. Find the increased price per dozen?
Question 13 :
While purchasing one item costing $Rs.400$, I had pay the sales tax at $7\%$ and on another costing $Rs.6400$, the sales tax was $9\%$. What percent of the sales tax I had to pay, taking the two items together on an average?
Question 14 :
Devendra, a computer accessories vendor gave a discount of $20$% on a pen-drive and his profit reduced from Rs. $200$ to Rs. $100$. What is Devendra's cost price?
Question 15 :
A book distributor sends out standardized packages weighing $1, 1.5$ or $2$ kilograms. If during one week $40$ per cent of the packages weigh $1$ kg, $50$ per cent weigh $1.5$ kg and $10$ per cent weigh $2$ kg, what is the average weight in kilograms of the parcels that week?
Question 16 :
A book distributor sends out standardized packages weighing $1, 1.5$ or $2$ kilograms. If during one week $40$ per cent of the packages weigh $1$ kg, $50$ per cent weigh $1.5$ kg and $10$ per cent weigh $2$ kg, what is the average weight in kilograms of the parcels that week?
Question 17 :
Simple interest on a certain sum amounts to Rs.8.25 in 2 years at 5%. Find the sum
Question 18 :
The price of sugar is reduced by $2$%. How many kg of sugar now be bought for the money which was sufficient to buy $49kg$ of sugar earlier?
Question 19 :
Two equal sums of money were invested, one at $4\%$ and the other at $4\displaystyle\frac{1}{2}\%$. At the end of $7$ years, the simple interest received from the latter exceeded than that received from the former by Rs. $31.50$. What was each sum?
Question 20 :
Ali purchased a printer for $Rs. 80,000$. After spending $Rs. 5000$ on repair and $Rs. 1000$ on a new part, he sold it at $25\%$ profit. At what price did he sell the printer?<br/>
Question 21 :
$A$ and $B$ started a partnership business investing some amount in the ratio of $3 : 5$. $C$ joined then after six months with an amount equal to that of $B$. In what proportion should the profit at the end of one year be distributed among $A$, $B$ and $C$?
Question 22 :
The number of injuries due to Bus accidents is approximately what percent of the total accidents due to all the vehicles together? (round off to its nearest integer).
Question 23 :
A and B's salaries are together equal to Rs. $2100$. A spends $80$% of his salary and B spends $70$%. If their savings are now in the proportion of $4:3$, what is A's salary?<br><br>
Question 25 :
If $a\neq b$, then the ratio $a:b$ is different from the ratio $b:a$.
Question 26 :
$405$ sweets were distributed equally among children in such a way that the number of sweets received by each child is 20% of the total number of children. How many sweets did each child receive?
Question 28 :
$P=$Rs. $10,000$, $I=$Rs. $2,500$, $R=12.5\%$ simple interest. The number of years T will be.
Question 29 :
Find the rate percent if the compound interest on Rs. 15,625 for 3 years is Rs. 1,951
Question 30 :
Rs. $2500$ becomes Rs.$ 3100$ in four years when the interest is simple. If the rate of interest is increased by $4$% then what will be the total amount after two years?
Question 31 :
Mark buys some electronic goods from a wholesaler for Rs. 1500 and spends Rs. 100 on its transportation's, etc. If he sells these electronic goods for Rs. 1900; find the profit or loss made by him and express it as percent.<br>
Question 32 :
If the numerator of a fraction is increased by 25% andthe denominator decreased by 20%, the new value is $\displaystyle \frac{5}{4}$What was the original fraction?
Question 33 :
What annual payment will discharge a debt of Rs. 1740 due in 5 years, the rate being 8% per annum?<br/>
Question 34 :
Rs. 8000 invested at compound interest gives Rs.1261 as interest after 3 years. The rate of interest per annum is
Question 35 :
Vikram borrowed Rs. $2000$ from a bank at $10\%$ per annum simple interest. He lent it to his friend Venkat at the same rate but compounded annually. Find his gain after $2 \dfrac{1}{2}$ years.
Question 36 :
A and B invest in a business in the ratio of $3 : 2$. If $5$ % of total profit goes to charity and A's share is Rs. $8550$, then total profit is :
Question 37 :
Amina buys a book for Rs. $275$ and sells it at a loss of $15\%$. by how much does she sell it for 
Question 38 :
By selling an article for Rs. 225, theshopkeeper loses 25%. Find the gain orloss %, if the article be sold for Rs. 360.
Question 39 :
Mr. Joshua borrowed Rs. $5000$ for $2$ years to make home improvements. If he repaid a total of Rs. $15,000$, at what interest rate did he borrow the money?<br/>
Question 40 :
The population of a city increase at the rate of $4\%$ per annum. there is additional annual increase of $1\%$ due to influx of job seeker. The $\%$ increase in the population after $2$ years is 
Question 41 :
A trader purchased an old bicycle for Rs. $ 480$. He spent $20 \%$ of the cost on its repair. If he wants to earn Rs. $144$ as net profit on it, find profit $\%$.
Question 42 :
At what rate % will a sum of money double itself in $16$ years?
Question 43 :
How many litres of pure acid are there in $8$ litres of a $20\%$ concentrated acid solution ?
Question 44 :
In what time will Rs. $1000$ will become Rs. $1331$ at $10\%$ per annum compounded annually ?
Question 45 :
In an election between two candidates, the candidate who gets $30\%$ of the votes polled is defeated by $16000$ votes. What is the total number of votes polled?
Question 46 :
A cricketer scored a total of $62$ runs in $96$ balls. He hits $3$ sixes, $8$ fours, $2$ twos and $8$ singles, What highest percentage of the runs that came in :
Question 47 :
A car is available for 200000 cash or 50000 down payment followed by 16 equal monthly instalments. If the total interest charged in this scheme is 10000, how much is each monthly installment?
Question 48 :
$A$ is $30$% more efficient than $B$. How much time will they, working together, take to complete a job which $A$ alone could have done in $23$ days?
Question 49 :
The price of an item decreased by $20$% to $ $200$. then later the price decreased again from $ $200$ to $ $150$. What is the percent of decrease from the original to the final price of $ $150$
Question 50 :
In an election between $2$ candidates, Bhiku gets $65\%$ of the total valid votes. If the total voteswere $6000$, what is the number of valid votesthat the other candidate Mhattre gets, if $25\%$ ofthe total votes were declared invalid,
Question 51 :
At Lincoln High School, approximately $7$ percent of enrolled juniors and $5$ percent of enrolled seniors were inducted into the National Honor Society last year. If there were $562$ juniors and $602$ seniors enrolled at Lincoln High School last year, which of the following is closest to the total number of juniors and seniors at Lincoln High School last year who were inducted into the National Honor Society?
Question 52 :
Principal $= 2500$, rate $= 6$%, time$= 4$ years. Calculate the interest.
Question 54 :
John bought a car for a certain sum of money. He spent $10 \%$ of the cost on repairs and sold the car for a profit of Rs. $ 11000$. How much did he spend on repairs, if he made a profit of $20 \%$?
Question 55 :
Janet receives a $6$% commission for selling boxes of greeting cards. If she sells $12$ boxes for $ $40$ each, how much does she earn?