Question 1 :
A milkman sold two of his buffaloes for Rs 20,000 each. On one he made a gain of $5\%$ and on the other a loss of $10\%$. Find his overall gain or loss.

Question 2 :
Calculate the compound interest on Rs 62,500 for $1\frac{1}{2}$ years at 8% per annum compounded half yearly.

Question 3 :
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 4 :
Find the amount which Ram will get on Rs 4096, if he gave it for 18 months at $12\frac{1}{2}\%$ per annum, interest being compounded half yearly.

Question 5 :
An article was purchased for Rs 1,239 including GST of 18%. Find the price of article before GST was added.

Question 6 :
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. How much more interest does Fabina pays than Radha?

Question 7 :
If 60% people in a city like cricket, 30% like football and the remaining like other games, then what per cent of the people like other games?

Question 8 :
Find the amount to be paid at the end of 2 years on Rs 2,400 at $5\%$ per annum compounded annually.

Question 9 :
Vasudevan invested Rs 60,000 at an interest rate of $12\%$ per annum compounded half yearly. What amount would he get after 6 months?

Question 10 :
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 11 :
Calculate the compound interest on Rs 8,000 for 1 year at 9% per annum compound half yearly.

Question 13 :
Find the amount which Ram will get on Rs 4,096,if he gave it for 18 months at $12\frac{1}{2}$% per annum, interest being compounded half yearly.

Question 14 :
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 16 :
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 17 :
Vasudevan invested Rs 60000 at an interest rate of 12% per annum compounded half yearly. What amount would he get after 1 year ?

Question 18 :
In a Laboratory, the count of bacteria in a certain experiment was increasing at the rate of 2.5% per hour. Find the bacteria at the end of 2 hours if the count was initially 5,06,000.

Question 19 :
Calculate the compound interest on Rs 18,000 for $2\frac{1}{2}$ years at $10\%$ per annum compounded annually.

Question 20 :
The cost of an article was Rs 15,500 and Rs 450 were spent on its repairs. If it is sold for a profit of 15%, find the selling price of the article.

Question 21 :
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 22 :
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 23 :
<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 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 :
Find the amount to be paid at the end of 1 year on Rs 1,800 at 8% per annum compounded quarterly.

Question 26 :
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 27 :
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 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 football game.

Question 29 :
The population of a place increased to 54,000 in 2003 at a rate of 5% per annum. Find the population in 2001.

Question 30 :
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?