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Questions and Answers

What is the formula to calculate the speed of an entity?

  • Time plus distance
  • Distance divided by time (correct)
  • Distance multiplied by time
  • Time divided by distance

What is the cost price?

  • The price at which an article is bought (correct)
  • The price marked on the article for sale
  • The price after any discount is applied
  • The price at which an article is sold

How do you find a percentage of a quantity?

  • Multiply by the percentage and add 100
  • Multiply by the percentage and divide by 100 (correct)
  • Add the percentage and divide by 100
  • Divide by the percentage and subtract 100

What is the formula to calculate the selling price?

<p>Marked price minus discount (A)</p> Signup and view all the answers

How do you calculate profit percentage?

<p>Find the difference between selling price and cost price, divide by cost price, and multiply by 100 (B)</p> Signup and view all the answers

What is the formula for simple interest?

<p>Principal multiplied by rate and time (C)</p> Signup and view all the answers

What is the formula to calculate distance based on speed and time?

<p>Distance = Speed × Time (B)</p> Signup and view all the answers

What is the purpose of comparing ratios in problem-solving?

<p>To identify the relationship between quantities (A)</p> Signup and view all the answers

How do you calculate the time required to process a certain amount based on a rate?

<p>Divide the total amount by the rate (A)</p> Signup and view all the answers

What is the purpose of scaling quantities in recipes?

<p>To adjust the number of servings (C)</p> Signup and view all the answers

How do you increase a quantity in a ratio?

<p>Multiply the quantity by the factor needed (D)</p> Signup and view all the answers

What is the purpose of expressing the total amount to be shared in a ratio of hours worked?

<p>To divide the total amount among workers (D)</p> Signup and view all the answers

What is the formula to convert currency from one type to another?

<p>Multiply the amount by the exchange rate (C)</p> Signup and view all the answers

What is the purpose of comparing production rates between different machines?

<p>To compare the efficiency of different machines (C)</p> Signup and view all the answers

What is the purpose of ranking entities based on their speeds?

<p>To compare the performance of different entities (A)</p> Signup and view all the answers

What is the result of subtracting the discount amount from the marked price?

<p>Selling price (C)</p> Signup and view all the answers

What is the difference between the selling price and the cost price used to calculate?

<p>Profit percentage (B)</p> Signup and view all the answers

What is the principal multiplied by in the formula for simple interest?

<p>Rate and time (B)</p> Signup and view all the answers

What is the purpose of using decimals when calculating discounts?

<p>To convert the discount rate to a decimal form (B)</p> Signup and view all the answers

What is the result of finding the difference between the selling price and the cost price and dividing by the cost price?

<p>Profit percentage (C)</p> Signup and view all the answers

What is the primary purpose of calculating a rate?

<p>To describe how one quantity changes in relation to another (A)</p> Signup and view all the answers

A bakery sells 240 loaves of bread per day at a rate of 30 loaves per hour. How many hours does it operate per day?

<p>6 hours (D)</p> Signup and view all the answers

A car travels 240 km in 4 hours. What is its speed?

<p>60 km/h (B)</p> Signup and view all the answers

A recipe for making cookies requires a ratio of 2:3 of sugar to flour. If you need 6 cups of flour, how many cups of sugar do you need?

<p>3 cups (A)</p> Signup and view all the answers

A factory produces 480 toys per day at a rate of 60 toys per hour. How many hours does it operate per day?

<p>8 hours (A)</p> Signup and view all the answers

If a person works 3 hours and another person works 5 hours, what is the ratio of their work hours?

<p>3:5 (D)</p> Signup and view all the answers

A company converts $1000 from USD to EUR at an exchange rate of 1:1.2. How much is the converted amount in EUR?

<p>€1200 (C)</p> Signup and view all the answers

A pattern of beads has a ratio of 2:5 of red to blue beads. If there are 10 blue beads, how many red beads are there?

<p>4 (C)</p> Signup and view all the answers

A machine can produce 120 boxes in 4 hours. How many boxes can it produce per hour?

<p>30 boxes (A)</p> Signup and view all the answers

A recipe requires a ratio of 3:5 of flour to sugar. If you need 9 cups of sugar, how many cups of flour do you need?

<p>6 cups (A)</p> Signup and view all the answers

A person can paint 6 walls in 3 hours. How many walls can they paint in 5 hours?

<p>10 walls (D)</p> Signup and view all the answers

A factory produces 360 toys in 6 hours. At this rate, how many toys can it produce in 8 hours?

<p>480 toys (D)</p> Signup and view all the answers

A person works 5 hours and another person works 3 hours. What is the ratio of their work hours?

<p>5:3 (C)</p> Signup and view all the answers

A car travels 300 km in 5 hours. How many kilometers does it travel per hour?

<p>60 km (B)</p> Signup and view all the answers

A company converts £800 from GBP to USD at an exchange rate of 1:1.5. How much is the converted amount in USD?

<p>$1200 (A)</p> Signup and view all the answers

A pattern of tiles has a ratio of 4:7 of red to blue tiles. If there are 16 blue tiles, how many red tiles are there?

<p>8 tiles (A)</p> Signup and view all the answers

A shopkeeper buys an item for $50 and marks it up by 20%. What is the marked price?

<p>$60 (C)</p> Signup and view all the answers

A person invests $1000 at a simple interest rate of 5% per annum. What is the interest earned in 2 years?

<p>$200 (B)</p> Signup and view all the answers

A company sells an item for $80 after a 10% discount. What was the marked price?

<p>$88 (D)</p> Signup and view all the answers

A person buys an item for $60 and sells it for $75. What is the profit percentage?

<p>25% (D)</p> Signup and view all the answers

A person invests $2000 at a compound interest rate of 10% per annum. What is the total amount after 2 years?

<p>$2420 (A)</p> Signup and view all the answers

A shopkeeper sells an item for $120 after a 20% discount. What was the cost price?

<p>$150 (C)</p> Signup and view all the answers

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