Question 1 :
Find the compound interest on Rs 10,000 for $1\frac{1}{2}$ years at 10% per annum, compounded half yearly.
Question 2 :
Calculate the amount on Rs 62,500 for $1\frac{1}{2}$ years at 8% per annum compounded half yearly.
Question 3 :
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 4 : <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 5 :
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 6 :
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 7 :
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 and if the interest is compounded annually for the same duration.
Question 8 :
Find the amount on Rs 10,000 for $1\frac{1}{2}$ years at 10% per annum, compounded half yearly.
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 :
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 12 :
A table marked at Rs 15,000 is available for Rs 14,400. Find the discount given and the discount per cent.
Question 13 :
72% of 25 students are good in Mathematics. How many are not good in Mathematics?
Question 14 :
Calculate the compound interest on Rs 62,500 for $1\frac{1}{2}$ years at 8% per annum compounded half yearly.
Question 16 :
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 17 :
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 18 :
Vasudevan invested Rs 60,000 at an interest rate of $12\%$ per annum compounded half yearly. What amount would he get after 1 year?
Question 19 :
A man got a 10% increase in his salary. If his new salary is Rs 1,54,000, find his original salary.
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.
Question 21 :
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 22 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf43f59b460d7261f151.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 parents were surveyed?
Question 23 :
A shop gives $20\%$ discount. What would the sale price of a dress marked at Rs.120.
Question 24 :
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 25 :
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 26 :
Find the population of a city after 2 years, which is at present 12 lakh, if the rate of increase is $4\%$.
Question 27 :
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 28 :
Find the amount to be paid at the end of 2 years on Rs 2,400 at $5\%$ per annum compounded annually.
Question 29 :
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 30 :
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 31 :
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 32 :
A football team won 10 matches out of the total number of matches they played. If their win percentage was 40, then how many matches did they play in all?
Question 33 :
Maria invested Rs 8,000 in a business. She would be paid interest at 5% per compounded annually. Find the interest for the third year.
Question 34 :
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 35 :
Vasudevan invested Rs 60000 at an interest rate of 12% per annum compounded half yearly. What amount would he get after 6 months?
Question 36 :
If Chameli had Rs 600 left after spending 75% of her money, how much did she have in the beginning?
Question 37 : <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 38 :
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 39 :
Vasudevan invested Rs 60000 at an interest rate of 12% per annum compounded half yearly. What amount would he get after 1 year ?
Question 40 :
A shop gives $20\%$ discount. What would the sale price of a bag marked at Rs 250.
Question 41 :
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 42 :
Calculate the amount on Rs 10,800 for 3 years at $12\frac{1}{2}$%.
Question 43 :
Calculate the compound interest on Rs 8,000 for 1 year at $9\%$ per annum compounded half yearly.
Question 44 :
An almirah is sold at Rs 5,225 after allowing a discount of $5\%$. Find its marked price.
Question 45 :
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.
Question 46 :
Calculate the compound interest on Rs 8,000 for 1 year at 9% per annum compound half yearly.
Question 47 :
Calculate the compound interest on Rs 10,800 for 3 years at $12\frac{1}{2}$%.
Question 48 :
The population of a place increased to 54,000 in 2003 at a rate of 5% per annum. Find the population in 2001.
Question 49 :
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 50 :
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?
