Alert: You are not allowed to copy content or view source
Check Exam Dates here | See Marking Scheme here | Frequently Asked Questions (FAQs) | Buy Practice Papers for CREST Olympiads here | Last Date for CREST Reasoning Olympiads (CRO) Registration is 20th June 2019 | CREST Reasoning Olympiads (CRO) is scheduled for June/July. Apply now


When used with a name, it means a symbol used instead of words, such as a "Stop" sign. Example: "%" is the percent sign. When used on its own, such as just saying "sign", it means negative or positive. Example: what sign is the number? Is it negative?