Question 1 :
A man got a 10% increase in his salary. If his new salary is Rs 1,54,000, find his original salary.
Question 3 :
Arun bought a pair of skates at a sale where the discount given was 20%. If the amount he pays is Rs 1,600, find the marked price.
Question 5 :
Arif took a loan of Rs 80,000 from a bank. If the rate of interest is 10% per annum, find the amount he would be paying after $1\frac{1}{2}$ years if the interest is compounded annually.
Question 6 :
A scooter was bought at Rs 42,000. Its value depreciated at the rate of 8% per annum. Find its value after one year.
Question 7 :
In a primary school, the parents were asked about the number of hours they spend per day in helping their children to do homework. There were 90 parents who helped for $\frac{1}{2}$ hour to $1\frac{1}{2}$ hours. The distribution of parents according to the time for which, they said they helped is given ; $20\%$ helped for more than$1\frac{1}{2}$ hours per day; $30\%$ helped for $\frac{1}{2}$ hour to $1\frac{1}{2}$ hours; $50\%$ did not help at all. How many said that they did not help?
Question 8 :
A shop gives $20\%$ discount. What would the sale price of a bag marked at Rs 250.
Question 9 :
I purchased a hair-dryer for Rs 5,400 including 8% VAT. Find the price before VAT was added.
Question 10 :
Calculate the compound interest on Rs 10,800 for 3 years at $12\frac{1}{2}$%.
Question 11 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf42f59b460d7261f150.JPG' />
In the above image, a primary school, the parents were asked about the number of hours they spend per day in helping their children to do homework. There were 90 parents who help for $\frac{1}{2}$ hour to $1\frac{1}{2}$ hour. The distribution of parents according to the time for which, they said they helped is given in the above figure, $20\%$ helped for more than $1\frac{1}{2}$ hour per day. $30\%$ helped for 1 hr to $1\frac{1}{2}$ hour; 50% did not help at all. How many said that they did not help?
Question 12 :
Vasudevan invested Rs 60000 at an interest rate of 12% per annum compounded half yearly. What amount would he get after 1 year ?
Question 13 :
The population of a place increased to 54,000 in 2003 at a rate of $5\%$ per annum. Find the population in 2001.
Question 14 :
Find the compound interest on Rs 10,000 for $1\frac{1}{2}$ years at 10% per annum, compounded half yearly.
Question 15 :
I borrowed Rs 12000 from Jamshed at 6% per annum simple interest for 2 years. Had I borrowed this sum at 6% per annum compound interest, what extra amount would I have to pay?
Question 16 :
60% people in a city like cricket, 30% like football and the remaining like other games. If the total number of people are 50 lakh, find the exact number who like cricket game.
Question 17 :
Find amount to be paid on Rs 15000 at $5\%$ per annum after 2 years.
Question 18 :
Maria invested Rs 8,000 in a business. She would be paid interest at 5% per compounded annually. Find the amount credited against her name at the end of the second year.
Question 19 :
Arif took a loan of Rs 80,000 from a bank. If the rate of interest is 10% per annum, find the amount he would be paying after $1\frac{1}{2}$ years if the interest is compounded half yearly.
Question 20 :
A machinery worth Rs 10,500 depreciated by $5\%$. Find its value after one year.
Question 21 :
A milkman sold two of his buffaloes for Rs 20,000 each. On one he made a gain of 5% and on thc other a loss of 10%. Find his overall gain or loss. [Hint: Find GP of each]
Question 22 :
Calculate the amount on Rs 10,800 for 3 years at $12\frac{1}{2}$%.
Question 23 :
I borrowed Rs 12,000 from Jamshed at $6\%$ per annum simple interest for 2 years. Had I borrowed this sum at $6\%$ per annum compound interest, what extra amount would I have to pay?
Question 24 :
On Sunday 845 people went to the Zoo. On Monday only 169 people went. What is the percent decrease in the people visiting the Zoo on Monday?
Question 25 :
The population of a place increased to 54,000 in 2003 at a rate of $5\%$ per annum. What would be its population in 2005?
Question 26 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf43f59b460d7261f152.JPG' />
In the above image, a primary school, the parents were asked about the number of hours they spend per day in helping their children to do homework. There were 90 parents who help for $\frac{1}{2}$ hour to $1\frac{1}{2}$ hour. The distribution of parents according to the time for which, they said they helped is given in the above figure, $20\%$ helped for more than $1\frac{1}{2}$ hour per day. $30\%$ helped for 1 hr to $1\frac{1}{2}$ hour; 50% did not help at all. How many said that they helped for more than $1\frac{1}{2}$ hours?
Question 27 :
Calculate the compound interest on Rs 62,500 for $1\frac{1}{2}$ years at 8% per annum compounded half yearly.
Question 28 :
60% people in a city like cricket, 30% like football and the remaining like other games. If the total number of people are 50 lakh, find the exact number who like other games.
Question 29 :
Find the time period and rate for a sum taken for 2 years at $4\%$ per annum is compounded half yearly.
Question 30 :
Find selling price (SP) if a profit of 5% is made on a cycle of Rs 700 with Rs 50 as overhead charges.
Question 31 :
A shopkeeper buys 80 articles for Rs 2,400 and sells them for a profit of $16\%$. Find the selling price of one article.
Question 32 :
Calculate the compound interest on Rs 62,500 for $1\frac{1}{2}$ years at $8\%$ per annum compounded half yearly.
Question 33 :
A shopkeeper buys 80 articles for Rs 2,400 and sells them for a profit of 16%. Find the selling price of one article.
Question 34 :
Arif took a loan of Rs 80,000 from a bank. If the rate of interest is $10\%$ per annum, find the difference in amounts he would be paying after $1\frac{1}{2}$ years if the interest is compounded half yearly.
Question 35 :
An article was purchased for Rs 1,239 including GST of 18%. Find the price of article before GST was added.
Question 37 :
In a primary school, the parents were asked about the number of hours they spend per day in helping their children to do homework. There were 90 parents who helped for $\frac{1}{2}$ hour to $1\frac{1}{2}$ hours. The distribution of parents according to the time for which, they said they helped is given ; $20\%$ helped for more than$1\frac{1}{2}$ hours per day; $30\%$ helped for $\frac{1}{2}$ hour to $1\frac{1}{2}$ hours; $50\%$ did not help at all. How many said that they helped for more than $1\frac{1}{2}$ hours?
Question 38 :
The population of a place increased to 54,000 in 2003 at a rate of 5% per annum. Find the population in 2001.
Question 39 :
A sum is taken for one year at $16\%$ p.a. If interest is compounded after every three months, how many times will interest be charged in one year?
Question 40 :
Fabina borrows Rs 12,500 at $12\%$ per annum for 3 years at simple interest and Radha borrows the same amount for the same time period at $10\%$ per annum, compounded annually. Who pays more interest and by how much?
Question 41 :
A shopkeeper bought two TV sets at Rs 10,000 each. He sold one at a profit $10\%$ and the other at a loss of $10\%$. Find whether he made an overall profit or loss.
Question 42 :
The compound interest on Rs 10,000 for $1\frac{1}{2}$ years at 10% per annum, compounded half yearly is calculated. Would this interest be more than the interest he would get if it was compounded annually ?
Question 43 :
The price of a TV is Rs 13,000. The sales tax charged on it is at the rate of $12\%$. Find the amount that Vinod will have to pay if he buys it.
Question 44 :
Two times a number is a $100\%$ increase in the number. If we take half the number what would be the decrease in percent?
Question 45 :
Calculate the compound interest on Rs 8,000 for 1 year at $9\%$ per annum compounded half yearly.
Question 46 :
Fabina borrows Rs 12,500 at 12% per annum for 3 years at simple interest. Radha borrows the same amount for the same time period at 10% per annum compound annually. Who pays more interest ?
Question 47 :
Calculate the amount on Rs 8,000 for 1 year at 9% per annum compound half yearly.
Question 48 :
Kamala borrowed Rs 26,400 from a Bank to buy a scooter at a rate of $15\%$ p.a. compounded yearly. What amount will she pay at the end of 2 years and 4 months to clear the loan?
Question 49 :
Calculate the amount on Rs 62,500 for $1\frac{1}{2}$ years at 8% per annum compounded half yearly.
Question 50 :
Find selling price (SP) if a profit of 5% is made on a fan bought for Rs 560 and expenses of Rs 40 made on its repairs.
