Thirteen students at Farringtons entered the UK Senior Mathematical Challenge this month. Seven students were awarded certificates – Janice Jia gaining Gold, Nicole Wang, Fiona Chin and Chen Chen gaining silver, with Natasha Thind, Parmida Imani and Janet Leung gaining Bronze. Congratulations to all of those who took part. Can you solve this question from this year’s paper?

The 80 spokes of the giant wheel The London Eye are made from 4 miles of cable. Roughly what is the circumference of the wheel in metres?
A 50             B 100             C 500            D 750              E 900