9:41 ●●●

Cyfer.

Train Your Thinking.

Good evening.

Practice Library

15 Modules · Unlimited Questions

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Practice Library

Grab Bag

Random mix of all drill types

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Basic Math Drills

Big Division

e.g. 100,000,000 ÷ 20,000

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Big Multiplication

e.g. 70,000 × 30,000

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Small Multiplication

e.g. 800 × 20

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Percentages

e.g. 65% of 30,000

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Percent × Percent

e.g. 25% of 40%

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Market Math

e.g. 200K = 5% → total market?

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Break Evens

e.g. $10M invest, $X rev, $Y cost

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Growth Estimations

e.g. $100M × 15% YoY × 5 years

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Time Series Conversions

e.g. $5K/day → annual?

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NPV Calculations

e.g. CF $10M, 12% discount, 2% growth

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Consulting & Finance

Consulting Math

Market sizing · CAGR · Margins

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Estimation

Fermi questions · Quick sizing

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Everyday Life

Tips & Discounts

Restaurant · Shopping · Deals

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Multiplication

Speed tables · Cross multiply

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Division

Big division · Fractions

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Consulting Math

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