Texas HS Advanced Quantitative Reasoning Question of the Day
Daily challenge for Texas HS Advanced Quantitative Reasoning. Test yourself and track progress.
In one Texas area code, 7-digit numbers are NXX-XXXX where N is 2–9 and X is 0–9. Exclude any prefix of the form N11 (e.g., 211, 311, …, 911). Also exclude line numbers 0000 and 1234. How many numbers are available in the area code?
Select an answer and click Check.