A round of proper working-out questions rather than recall. Adding and simplifying fractions, solving for x, and calculating the area of a circle to the nearest whole number.
Give teams paper and a couple of extra minutes — this is the most demanding of our maths rounds.
- What is the result of 3/4 + 2/5, when the fractions are added and simplified?
- If a book costs £20 before a 25% discount, how much will it cost after the discount?
- What is the square root of 144?
- Solve for x: 2x + 7 = 15.
- If a car travels at a speed of 60 miles per hour for 3 hours, how far does it travel?
- What is the area of a rectangle with a length of 8 units and a width of 5 units?
- If you have a circle with a radius of 6 centimeters, what is its area, rounded to the nearest whole number?
- What is the product of 9 and the sum of 5 and 3?
- If a recipe calls for 2/3 cup of flour and you want to make 3 times the recipe, how many cups of flour do you need?
- A shirt originally priced at $35 is on sale for 30% off. What is the sale price of the shirt?
- What is the result of 7 divided by 1/4?
- If a train travels at a constant speed of 80 miles per hour, how far will it travel in 2.5 hours?
- Solve for x: 3x - 4 = 20.
- A restaurant bill comes to $48. If you want to leave a 15% tip, how much should you leave as a tip?
- What is 20% of 150?
- If you roll a fair six-sided die, what is the probability of getting a prime number?
- What is the volume of a cube with edges each measuring 6 inches?
- If a store offers a buy-one-get-one-half-off deal on shoes, and you buy two pairs priced at $60 each, what is the total cost?
- If a recipe calls for 1 1/2 teaspoons of vanilla extract, and you want to halve the recipe, how much vanilla extract should you use?
- What is the difference between the largest prime number less than 50 and the smallest prime number greater than 30?