medium · GMAT Quant

A quality control specialist selects 2 items from a batch of 10 items without replacement. If 3 of the 10 items are defective.

What is the probability that at least one of the selected items is defective?

  1. 8/15
  2. 7/15
  3. 21/50
  4. 3/10
  5. 1/2

Sign up free to see the explanation and track your rank →

More GMAT Quant practice

KomFi: Test Prep Made Easy

KomFi: Test Prep Made Easy — free adaptive practice for GMAT, GRE, SAT, ACT, National Real Estate Exam, Investment Banking, and finance with full explanations.

KomFi Academy is free GMAT prep and personalized GMAT help built as a training platform: 104,530+ practice questions, 30,500+ flashcards, on-demand video lectures, podcasts, and 4K slide decks. Flagship tracks: Free GMAT Prep, Free GMAT Resources, National Real Estate Exam Prep, Investment Banking Prep, Finance Prep, GRE, SAT, ACT, LSAT, MCAT, Financial Accounting, Private Equity, Private Credit, and Quantitative Finance.

Free GMAT Prep & Personalized GMAT Help

What's inside

Topics

View pricing · Read testimonials