This week’s ACT Math Challenge Question has to do with patterns, irrational numbers, and a bit of probability. What are “odds” you can solve it? 🙂
Post your answer and how you got it in the comments, and I will reveal the correct answer and explanation on Friday! Your solution might even get featured, math whiz, so get to it!
A box contains 50 cards. is written on the first card, on the second, on the third and so on through , with no numbers repeated. A card is drawn at random from the box. What is the probability that the number on the card is an irrational number?
About Kristin Fracchia
Kristin makes sure Magoosh's blogs are chock-full of awesome, free resources for students preparing for standardized tests. With a PhD from UC Irvine and degrees in Education and English, she’s been working in education since 2004 and has helped students prepare for standardized tests, as well as college and graduate school admissions, since 2007. She enjoys the agonizing bliss of marathon running, backpacking, hot yoga, and esoteric knowledge.
Magoosh blog comment policy: To create the best experience for our readers, we will approve and respond to comments that are relevant to the article, general enough to be helpful to other students, concise, and well-written! :) If your comment was not approved, it likely did not adhere to these guidelines. If you are a Premium Magoosh student and would like more personalized service, you can use the Help tab on the Magoosh dashboard. Thanks!