IMC 2018 Q6
6. In 2014, in Boston, Massachusetts, Eli Bishop set a world record for the greatest number of claps per minute. He achieved 1020 claps in one minute.
How many claps is that per second?
- A 17
- B 16.5
- C 16
- D 15.5
- E 15
Intermediate Mathematical Challenge 2018, Question 6. © UK Mathematics Trust. Original paper on ukmt.org.uk
Answer: A 17
The number of claps achieved per second is \(\dfrac{1020}{60} = \dfrac{102}{6} = \dfrac{51}{3} = 17\).
Solution © UK Mathematics Trust, from the IMC 2018 solutions. Longer versions with investigations: Solutions and investigations (PDF).