medium · GMAT Quant

In a survey of 200 people, 60% prefer Coffee A and 40% prefer Coffee B. Of those who prefer Coffee A, 15% are over the age of 50; of those who prefer Coffee B, 25% are over the age of 50.

How many surveyed people are over 50 and prefer either Coffee A or Coffee B?

  1. 80
  2. 38
  3. 50
  4. 20
  5. 40

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

More GMAT Quant practice

KomFi Academy — Stop doomscrolling. Get KomFi.

Turn wasted screen time into verifiable competence.

KomFi Academy is a curated training platform with 66,000+ practice questions, 25,000+ flashcards, on-demand video lectures, podcasts, and 4K slide decks across the topics serious professionals study: GMAT, LSAT, MCAT, SAT, Investment Banking, Private Equity (LBOs & PE math), Private Credit, Quantitative Finance, Financial Accounting, Asset- Backed Securities, Volume Profile Analysis, Order Flow Trading, Market Microstructure, Volume Spread Analysis, Elliott Wave Theory, Volume-Price Analysis, and Public Offering Frameworks.

What's inside

Topics

View pricing · Read testimonials