1 out of 3
Can you find a rule which connects consecutive triangular numbers?
1 out of 3
How many bees could fly 1000 miles if they had 10 gallons of honey?
1 out of 3
Sarah's average speed for a journey was 2 mph, and her return average speed was 4 mph. What is her average speed for the whole journey?
1 out of 3
The 80 spokes of The London Eye are made from 4 miles of cable. What is the approximate circumference of the wheel?
1 out of 3
Peter wrote a list of all the numbers that can be formed by changing one digit of the number 200. How many of Peter's numbers are prime?
1 out of 3
Take four consecutive whole numbers. Multiply the first and last numbers together. Multiply the middle pair together. What do you notice?
2 out of 3
We are given a regular icosahedron having three red vertices. Show that it has a vertex that has at least two red neighbours.
2 out of 3
Four jewellers share their stock. Can you work out the relative values of their gems?
2 out of 3
What can you say about the lengths of the sides of a quadrilateral whose vertices are on a unit circle?
