## Exam-Style Question on Ratio## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 524. This question is similar to one that appeared on a GCSE Higher paper in 2019. The use of a calculator is allowed.

There are some round counters and some square counters in a pot. The counters are either blue or green.

- The ratio of the number of round counters to square counters is 5:6
- The ratio of the number of blue counters to green counters is 2:7

(a) What is the least possible number of counters in the pot?

(b) If all the round counters are green work out the least possible number of square green counters that are in the pot.

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