Quick Math Tricks
No calculator. Most people rush these and get them wrong.
10 questions · scored on right answers
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- Divide 30 by ½, then add 10. What do you get?
- What is 15% of 80 plus 80% of 15?
- Which is larger: 25% of 88 or 88% of 25?
- A price rises 20%, then falls 20%. Compared to the original, it's now…
- A book costs $10 plus half its price. How much does the book cost?
- What is 30% of 30% of 100?
- What is 1+1+1+1+1+1+1+1+1+1+1×0?
- 6 ÷ 2 × 3 = ?
- A stock drops 50%. What percent gain does it need to get back to where it started?
- Which is bigger: 3⁴ or 4³?