Recent questions in Olympiad-Math

Which of the following is the mixed fraction equivalent of $\large\frac{91}{6}$

asked Dec 31, 2015 by pady_1

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Write True or False. Multiplicative inverse of 19 is $\large\frac{1}{19}$.

asked Dec 31, 2015 by pady_1

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A factory makes 212 bicycles every week. How many items are manufactured in $\large\frac{1}{2}$ year?

asked Dec 31, 2015 by pady_1

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Following shape is made of several small cubes. What fraction of cubes are not visible in the picture shown below ?

asked Dec 31, 2015 by pady_1

1 answer

What is the multiplicative inverse of 0

asked Dec 31, 2015 by pady_1

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What is the multiplicative inverse of 1

asked Dec 31, 2015 by pady_1

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The parking lot of the Mall has a capacity of 792 cars. On Wednesdays the ratio of occupied spots to empty spots in the parking lot was 3:19. The number of additional cars that could park there is

asked Dec 31, 2015 by pady_1

1 answer

Find the Product $5 \large\frac{1}{3} \times \large\frac{2}{5}$

asked Dec 31, 2015 by pady_1

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Find the product: $\large\frac{4}{3} \times \large\frac{7}{9}$

asked Dec 31, 2015 by pady_1

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$4\large\frac{1}{3} \times 2\large\frac{1}{5}$

asked Dec 31, 2015 by pady_1

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$2\large\frac{1}{2} \times \large\frac{1}{3}$

asked Dec 31, 2015 by pady_1

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Shweta and Ram have bookshelves of the same size and holding books of the same sizes. Shweta's shelf is $\large\frac{3}{4}$ full and Ram's shelf is $\large\frac{8}{11}$ full. If 115 more books of the same size are distributed among them, then they can fill their shelves completely. How many books does Ram have today?

asked Dec 31, 2015 by pady_1

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What is the multiplicative inverse of 658?

asked Dec 31, 2015 by pady_1

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$\large\frac{212}{8} \div 4$

asked Dec 31, 2015 by pady_1

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$2 \large\frac{1}{7} \div 15$

asked Dec 31, 2015 by pady_1

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The parking lot of the Shopping Complex has a capacity of 999 cars. On Fridays the ratio of occupied spots to empty spots in the parking lot was 7:20. The number of additional cars that could park there is

asked Dec 31, 2015 by pady_1

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$1 \large\frac{2}{5} \div 2$

asked Dec 31, 2015 by pady_1

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$\large\frac{4}{7} \div 9$

asked Dec 31, 2015 by pady_1

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What is the multiplicative inverse of 28?

asked Dec 31, 2015 by pady_1

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Convert $9 \large\frac{4}{15}$ to improper fraction.

asked Dec 31, 2015 by pady_1

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Write the answer in short form (decimal number) : $5000 + 700 + 30 + 3 + \large\frac{7}{1000}$

asked Dec 31, 2015 by pady_1

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Shilpa and Sara have bookshelves of the same size and holding books of the same sizes. Shilpa's shelf is $\large\frac{2}{8}$ full and Sara's shelf is $\large\frac{16}{21}$ full. If 664 more books of the same size are distributed among them, then they can fill their shelves completely. How many books does Sara have today?

asked Dec 31, 2015 by pady_1

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There are 30 students in class 8. There are 13 boys in the class. What is the fraction of girls in the class ?

asked Dec 31, 2015 by pady_1

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Shweta's aunt lives 190 kilometers away from her house. When she wants to visit her aunt, she travels $\large\frac{7}{19}$ of this distance by train and the rest by bus. How many kilometers does she travels by bus?

asked Dec 31, 2015 by pady_1

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A fox ran 1000 m in 5 minutes. Find its speed.

asked Dec 31, 2015 by pady_1

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If the distance covered by a train is 360 km in 4 hours, find its speed.

asked Dec 31, 2015 by pady_1

1 answer

A car travels at a speed of 25 metres per second. Find its speed in km per hour.

asked Dec 31, 2015 by pady_1

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A train runs for 3 hours at a speed of 55 km per hour and for the next 2 hours at a speed of 65 km per hour. Find the average speed of the train for the 5 hours journey.

asked Dec 31, 2015 by pady_1

1 answer

Jack earns \$ 100 on the first day, \$60 on the second day, \$ 150 on the third day, \$ 80 on the fourth day and $ 90 on the fifth day. What was his average earnings?

asked Dec 31, 2015 by pady_1

1 answer

The temperature of a city during a week was $35^{\circ}C, 36^{\circ}C, 34^{\circ}C, 38^{\circ}C, 40^{\circ}C, 39^{\circ}C$ and $44^{\circ}C$. What was the average daily temperature of the town for the week?

asked Dec 31, 2015 by pady_1

1 answer

Sam scored 98, 25, 105, 62 and 65 run in 5 matches. What was the average score per match?

asked Dec 31, 2015 by pady_1

1 answer

For a school fundraiser, Dean needs to sell 38 boxes of biscuits. So far, he has sold 13 boxes of lemon biscuits to his aunt, 7 boxes of chocolate biscuits to his mother, and 8 boxes of oatmeal biscuits to a neighbour. How many more boxes of biscuits does Dean need to sell?

asked Dec 31, 2015 by pady_1

1 answer

The goal scored by a team is 6 matches are 1, 2, 5, 3, 4, 0. Find the average score of the team.

asked Dec 31, 2015 by pady_1

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Duration of sunshine in Aligarh city for one week of August 2002 are given as 12.20 hours, 12.18 hours, 12.17 hours, 12.15 hours, 12.13 hours, 12.12 hours, 12.10 hours. Find the average duration of sun shine.

asked Dec 31, 2015 by pady_1

1 answer

Hana's uncle gave her Rs 8,338 to spend on basketball equipment. She bought 2 jerseys that cost Rs 602 each, a basketball that cost Rs 1,782, and a pair of shorts that cost Rs 564. How much money does Hana have left?

asked Dec 31, 2015 by pady_1

1 answer

Dean earns Rs 722 per hour. Last week, he worked 9 hours on Monday, 6 hours on Tuesday, and 9 hours on Wednesday. He had Thursday off, and then he worked 10 hours on Friday. How much money did Dean earn in all last week?

asked Dec 31, 2015 by pady_1

1 answer

For a school fundraiser, Luke needs to sell 40 rolls of gift wrap. So far, he has sold 5 rolls to his grandmother, 2 rolls to his uncle, and 6 rolls to a neighbour. How many more rolls of gift wrap does Luke need to sell?

asked Dec 31, 2015 by pady_1

1 answer

Elmo needs 18 cartons of berries to make a berry cobbler. He already has 1 carton of strawberries and 7 cartons of blueberries. How many more cartons of berries should Elmo buy?

asked Dec 31, 2015 by pady_1

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Find Principal when Time = 5 years, Interest = \$ 500; Rate = $5\%$ p.a.

asked Dec 31, 2015 by pady_1

1 answer

Pancho had 79 pieces of candy. He gave 3 pieces each to 7 friends. How many pieces of candy does Pancho have left?

asked Dec 31, 2015 by pady_1

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Find Principal when Time = 3 years, Interest = \$ 600; Rate = $4\%$ p.a.

asked Dec 31, 2015 by pady_1

1 answer

16 students and 7 teachers went on a field trip to an art museum. Student tickets cost Rs 495 each, and adult tickets cost Rs 728 each. How much did the museum tickets cost in all?

asked Dec 31, 2015 by pady_1

1 answer

Diego deposited $ 10000 for 4 year at a rate of 6% p.a. Find the interest Diego got.

asked Dec 31, 2015 by pady_1

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Brody had 21 green marbles. Then he bought 9 bags of blue marbles. There were 5 marbles in each bag. How many marbles does Brody have now?

asked Dec 31, 2015 by pady_1

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Seth invested a certain amount of money and got back an amount of \$ 8400. If the bank paid an interest of \$ 700, find the amount Sam invested.

asked Dec 31, 2015 by pady_1

1 answer

Richa deposits \$ 5400 and got back an amount of \$ 6000 after a year. Find the simple interest he got.

asked Dec 31, 2015 by pady_1

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The school canteen has 3 round tables and 17 rectangular tables. Each round table has 3 chairs, and each rectangular table has 9 chairs. How many chairs are there in all?

asked Dec 31, 2015 by pady_1

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If a chair was sold for \$ 990 at a loss of \$ 110. Find the cost price of the chair.

asked Dec 31, 2015 by pady_1

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Amit bought 7 packs of red bouncy balls, 5 packs of yellow bouncy balls, and 2 packs of green bouncy balls. There were 15 bouncy balls in each package. How many bouncy balls did Amit buy in all?

asked Dec 31, 2015 by pady_1

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Garrett wants to ride the bumper cars 2 times and the Ferris wheel 2 times. It costs 2 tickets to ride the bumper cars and 4 tickets to ride the Ferris wheel. How many tickets does Garrett need?

asked Dec 31, 2015 by pady_1

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