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

Question 2 :
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 3 :
A machinery worth Rs 10,500 depreciated by $5\%$. Find its value after one year.

Question 4 :
The population of a place increased to 54,000 in 2003 at a rate of $5\%$ per annum. Find the population in 2001.

Question 5 :
Find selling price (SP) if a profit of 5% is made on a cycle of Rs 700 with Rs 50 as overhead charges.

Question 6 :
Find the time period and rate for a sum taken for $1\frac{1}{2}$ years at $8\%$ per annum is compounded half yearly.

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 parents were surveyed?

Question 8 :
A VCR and TV were bought for Rs 8,000 each. The shopkeeper made a loss of 4 % on the VCR and a profit of 8% on the TV. Find the gain or loss percent on the whole transaction.

Question 9 :
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 10 :
During a sale, a shop offered a discount of 10% on the marked prices of all the items. What would a customer have to pay for a pair of jeans marked at Rs 1,450 and two shirts marked at Rs 850 each?

Question 12 :
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 annually.

Question 14 :
Vasudevan invested Rs 60000 at an interest rate of 12% per annum compounded half yearly. What amount would he get after 6 months?

Question 15 :
Find the ratio of the speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.

Question 16 :
Calculate the compound interest on Rs 10,800 for 3 years at $12\frac{1}{2}$%.

Question 17 :
Calculate the amount on Rs 8,000 for 1 year at 9% per annum compound half yearly.

Question 18 :
Find the time period and rate for a sum taken for 2 years at $4\%$ per annum is compounded half yearly.

Question 19 :
Calculate the compound interest on Rs 8,000 for 1 year at $9\%$ per annum compounded half yearly.

Question 20 :
A scooter was bought at Rs 42,000. Its value depreciated at the rate of $8\%$ per annum. Find its value after one year.