Recent questions tagged everyday mathematics

A man took loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was:

asked Oct 14, 2015 by pady_1

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A lent Rs. 5000 to B for 2 years and Rs. 3000 to C for 4 years on simple interest at the same rate of interest and received Rs. 2200 in all from both of them as interest. The rate of interest per annum is:

asked Oct 14, 2015 by pady_1

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Reena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest?

asked Oct 14, 2015 by pady_1

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A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

asked Oct 14, 2015 by pady_1

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If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

asked Oct 14, 2015 by pady_1

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If 0.75 : x :: 5 : 8, then x is equal to:

asked Oct 14, 2015 by pady_1

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If Rs. 782 be divided into three parts, proportional to (1/2) : (2/3) ; (3:4), then the first part is:

asked Oct 14, 2015 by pady_1

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Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?

asked Oct 14, 2015 by pady_1

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In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be further added is:

asked Oct 14, 2015 by pady_1

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The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is:

asked Oct 14, 2015 by pady_1

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The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

asked Oct 14, 2015 by pady_1

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Find the highest common factor of 36 and 84

asked Oct 14, 2015 by pady_1

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the greatest possible length which can be used to measure exactly the lengths 7 m, 3 m ,85 cm, 12 m, 95 cm is

asked Oct 14, 2015 by pady_1

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What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?

asked Oct 14, 2015 by pady_1

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Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?

asked Oct 14, 2015 by pady_1

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100 oranges are bought at the rate of Rs. 350 and sold at the rate of Rs. 48 per dozen. The percentage of profit or loss is:

asked Oct 14, 2015 by pady_1

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Some articles were bought at 6 articles for Rs. 5 and sold at 5 articles for Rs. 6. Gain percent is:

asked Oct 14, 2015 by pady_1

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Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?

asked Oct 14, 2015 by pady_1

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A man buys a cycle for Rs. 1400 and sells it at a loss of 15%. What is the selling price of the cycle?

asked Oct 14, 2015 by pady_1

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Alfred buys an old scooter for Rs. 4700 and spends Rs. 800 on its repairs. If he sells the scooter for Rs. 5800, his gain percent is:

asked Oct 14, 2015 by pady_1

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A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?

asked Oct 14, 2015 by pady_1

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The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:

asked Oct 14, 2015 by pady_1

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Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?

asked Oct 14, 2015 by pady_1

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If 20% of a = b, then b% of 20 is the same as:

asked Oct 14, 2015 by pady_1

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If A = x% of y and B = y% of x, then which of the following is true?

asked Oct 14, 2015 by pady_1

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A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had:

asked Oct 14, 2015 by pady_1

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The age of father 10 years ago was thrice the age of his son. Ten years hence, father's age will be twice that of his son. The ratio of their present ages is:

asked Oct 14, 2015 by pady_1

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A duck flew at 18 km per hour for 3 hours, then at 15 km per hour for 2 hours. How far did the duck fly in all?

asked Oct 14, 2015 by pady_1

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There are 338 cows and goats on a farm. 2/3 of the cows are equal to 1/5 of the goats on the farm. How many cows are there on the farm ?

asked Oct 14, 2015 by pady_1

1 answer

Tameena has 4 old coins : P, Q, R and S. Coin R is worth $ 2.5. Coin S is worth 2 times the value of coin R. Coin Q is worth 3 times the value of coin R. The four coins are worth ` $40 altogether. What is the value of coin P ?

asked Oct 14, 2015 by pady_1

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Misha answered 56% of the 150 problems on her history homework correctly. How many problems on her homework did she answer correctly ?

asked Oct 14, 2015 by pady_1

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In a parking lot, 1 out of every 8 cars is blue. What percent of the cars in this lot are blue?

asked Oct 14, 2015 by pady_1

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Ankit can run 100 metres in 12.5 seconds. If he competes in the 400metres race, about how many seconds will it take him to run the race ?

asked Oct 14, 2015 by pady_1

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The total length of all songs on a CD, Anshuman bought is about 74 minutes. Each song is between 4 to 6 minutes long. Which is a reasonable number of songs that could be on the CD ?

asked Oct 14, 2015 by pady_1

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The average of three numbers is 9m + 8. Two of the three numbers are 2m + 3 and 4m + 5. Express the third number in terms of m in the simplest form.

asked Oct 14, 2015 by pady_1

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A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?

asked Oct 14, 2015 by pady_1

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Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand's present age in years?

asked Oct 14, 2015 by pady_1

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The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?

asked Oct 14, 2015 by pady_1

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What least number should be added to 1056, so that the sum is completely divisible by 23?

asked Oct 14, 2015 by pady_1

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Arun and Sajal are friends. Each has some money. If Arun gives ` 30 to Sajal, then Sajal will have twice the money left with Arun. But, if Sajal gives ` 10 to Arun, then Arun will have thrice as much as is left with Sajal. How much money does Arun and Sajal have ?

asked Aug 26, 2015 by pady_1

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A group of students decided to collect as many paise from each member of the group as the number of members. If the total collection amounts to ` 59.29, the number of members in the group is ___.

asked Aug 26, 2015 by pady_1

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An item costs $ \$8.50$ to produce. How much should the manufacturer sell these items for if wants to realise a profit of 15% on these items? Give your answer to the nearest penny.

asked Aug 26, 2015 by pady_1

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In a department $10\%$ of the staff have a salary of $\$20,000, 30\%$ a salary of $\$25,000, 50\%$ a salary of $\$30,000, 10\%$ a salary of $\$40,000$. What is the average salary?

asked Aug 26, 2015 by pady_1

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Surprisingly, there is always a large amount of lager and beer consumed in October. Past years has shown that a good predictor for consumption of lager and beer in October is given by adding 50% on to the consumption of lager in September, and by adding 40% on to the consumption of beer in September. What price for lager should the Union charge, based on this prediction, so that the predicted total income in October for beer and lager sales is $110,000?

asked Aug 26, 2015 by pady_1

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A product costing 60 cents per unit to produce had been selling at the average rate of 1,200,000 units per month. After the product was improved, sales increased to an average of 2,000,000 units per month. However, the new product cost five percent more to produce. If the manufacturer's selling price in each instance was 75 cents per unit, what was the manufacturer's added profit per month with the newer product?

asked Aug 26, 2015 by pady_1

1 answer

A certain preparation consists of liquids x, y, and z in the proportion 5:2:1. How many gallons of the preparation can be made from a stock of materials consisting of 25 gallons of x, 20 gallons of y, and 8 gallons of z?

asked Aug 26, 2015 by pady_1

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The total cost for three items of work on a car was $\$154$. These items were: overhaul of the carburettor, replace brake pads and a tuneup. Overhaul of the carburettor cost twice as much as the tune-up. Brake pads cost one-third as much as the carburettor overhaul. What did the tune-up cost?

asked Aug 26, 2015 by pady_1

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In a certain department, 15% of the females and 25% of the males are working on a project. 60% of the department is female. What percentage of the department is working on the project?

asked Aug 26, 2015 by pady_1

1 answer

A picture on a page was reduced on a copier to $60\%$ of its original size, and this copy was then reduced by $20\%$. What percentage of the size of the original picture was the final copy?

asked Aug 26, 2015 by pady_1

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The selling price of a box of chocolates is $\$6.00$. This price was $20\%$ greater than the cost to produce the box. How much did it cost to produce a box and what was the profit?

asked Aug 26, 2015 by pady_1

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