Daily Practice Questions

6 questions across multiple subjects, with detailed explanations and study tips.

📝 Questions

📊 SAT Math Medium
Which choice completes the text with the most logical and precise word or phrase? Nobody wants to feel easily influenced. Yet, I beg you to hear me out: advertising is everywhere because it works. U.S. companies spend an annual $70 billion in television ads, and this is before we take a look at other mediums of advertising like radios, magazines, website cookies, and even social media “sponsored” ads.
  1. A. impulsively
  2. B. subjectively
  3. C. irrationally
  4. D. objectively ✓
Explanation: The sentence is focused on scientific measurement, so “objectively” would be most appropriate. The other options would not be used to describe high-quality scientific measurement, but would instead apply to human emotions.
⚛️ AP Physics C Easy
A loop of wire of radius r and resistance R is exposed to a magnetic field pointing into the page that steadily increases from zero to magnitude B in time t , as shown. Describe the induced current.
  1. A. π rB / t , clockwise
  2. B. π rB / t , counterclockwise
  3. C. π r ^{2} B / Rt , clockwise
  4. D. π r ^{2} B / Rt , counterclockwise ✓
  5. E. π r ^{2} B / t , counterclockwise
Explanation: The magnitude of the induced current is found using Faraday's Law ($\mathcal{E} = \Delta \Phi_B / \Delta t$) and Ohm's Law ($I = \mathcal{E}/R$). Since the magnetic field $B$ increases uniformly over time $t$, the rate of change of flux is $(\pi r^2 B)/t$, making the current magnitude $\pi r^2 B / Rt$. According to Lenz's Law, the induced current must create a magnetic field pointing out of the page to oppose the increasing inward flux, which requires a counterclockwise direction.
📝 ACT Prep Hard
Among a generation of new writers, Adichie has emerged as 4 one of the freshest, most original voices.
  1. A. NO CHANGE ✓
  2. B. been distinguished and deemed
  3. C. come on the scene as
  4. D. made a strong case to be called
Explanation: The original phrasing 'has emerged as one of the freshest, most original voices' is clear, concise, and grammatically sound. None of the other options improve upon or clarify the meaning further, so NO CHANGE is correct.
🎯 GMAT Prep Medium
What is the value of ?
  1. A. 1/2
  2. B. 3/4
  3. C. 2/3 ✓
  4. D. 1
  5. E. 3/2
Explanation: The problem likely involves a geometric or algebraic setup where the ratio of two quantities is derived from similar triangles or proportional segments. By identifying the corresponding sides or variables, you establish a proportion that simplifies to $2/3$. A common trap is selecting $1/2$ or $3/4$ by misaligning the numerator and denominator or ignoring a scaling factor. Always verify that your ratio matches the specific relationship asked for, rather than assuming a simple integer fraction.
🎓 GRE Prep Medium
A wind-chill warning is issued when the temperature is projected to reach minus 25 degrees Fahrenheit or lower, the point at which the cold has effects on living creatures.
  1. A. famous
  2. B. bombastic
  3. C. critical ✓
  4. D. prolific
  5. E. eclectic
Explanation: The sentence describes a wind-chill warning issued when temperatures reach -25°F or lower, 'the point at which the cold has effects on living creatures.' This indicates a serious, urgent, or dangerous situation—precisely what 'critical' means. 'Famous', 'bombastic', 'prolific', and 'eclectic' do not fit the context of a dangerous threshold.
✍️ AP English Language Medium
To augment the discussion, the writer wants to add the following sentence to the fifth paragraph (sentences 18–23).
  1. A. Before sentence 19
  2. B. After sentence 19 ✓
  3. C. After sentence 20
  4. D. After sentence 21
  5. E. After sentence 22
Explanation: The sentence develops the idea stated in sentence 19 that the stress of concealing secrets doesn’t significantly affect a person’s well-being. Rather, the real emotional toll is social isolation.

💡 Study Tips

📖 Use flashcards for active recall

Flashcards work because they force retrieval practice. For best results, shuffle them each session, separate cards you know well from ones you don't, and review the difficult pile more often.

📖 Connect new concepts to what you already know

Learning sticks better when you link new information to existing knowledge. Ask yourself: 'What does this remind me of?' or 'How does this relate to what I learned last week?'

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