Usain Bolt can run 100m in just under 10 seconds. What is his speed in kmph? What assumption have you made in your answer?
36kmph. Assuming her can run at the same speed for an hour.
Beyonce and Rihanna have won Grammy awards in the ratio 11:4. Beyonce has won 14 more awards then Rihanna. How many awards have they won between them?
30
Drake's net worth is around $265 million. If he invested this in a savings account giving 1% compound interest per annum, how much would it be worth after 5 years? (millions to 1dp)
$278.5 million
An interior angle in a regular polygon is 135°. Find the number of sides the polygon has.
8 (octagon)
What is the density of a football weighing 420g with a volume of 5575cm³? (g/cm³) (3dp)
0.075g/cm³
In 2019, Lionel Messi made around $141 million. The top female player Carli Lloyd made $518,000. What is Lloyd's earnings as a percentage of Messi's? (1dp)
0.4%
Using the formula V = 4/3 πr³, calculate the volume of a basketball with a diameter of 12cm. (1dp)
904.8 cm³
The diagram shows a running track. How far will you run if you go round the outside once? Round to the nearest integer.
338m
The graph shows the ideal penalty trajectory. What is the equation of the line?
y = 1/3 x + 2
It takes 6 hours to fill an Olympic swimming pool from 5 pumps. How long would it take 3 pumps to fill the swimming pool?
10 hours
In the 2020 Paralympic Games, the UK got 124 medals, the USA 104 and Brazil 72. Write this as a ratio in it's simplest form.
31 : 26 : 18
The probability that Serena Williams would win a game is 0.81. If she played 200 games, how many of these would we expect her to win?
162
Taylor Swift has an estimated wealth of $570 million, rounded to the nearest million . What is this as an error interval?
$569.5 million ≤ n < $570.5 million
The pie chart shows the breakdown of 2022/23. 36 games were played in total. How many games did Arsenal win?
25
What is the area of the shaded region? (3 sf)
8.38m²
The diagram shows the relationship between years and time taken by athletes to run 100m. What type of correlation is shown?
Negative.
