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QUANT PREP GUIDES
Everything we know about quant online assessments and interview screening: formats, techniques, and training plans. Free, no signup.
HOW TO PREPARE FOR QUANT ONLINE ASSESSMENTS
What quant OAs test, how scoring and timing work, a two-week preparation plan, and the mistakes that cost candidates offers.
▶ READ · 8 MINMENTAL MATH FOR QUANT INTERVIEWS
Left-to-right arithmetic, complements, fast multiplication, conversion tables, target speeds, and a four-week training plan.
▶ READ · 9 MINQUANT INTERVIEW PRACTICE QUESTIONS (WITH ANSWERS)
14 realistic questions across mental math, sequences, probability, and logic, each with a worked answer and the technique behind it.
▶ READ · 10 MINWHAT QUANT FIRMS TEST IN INTERVIEWS AND OAs
How market makers, prop shops, and hedge funds weight speed and depth, with practical priorities for each firm type.
▶ READ · 7 MIN5 MENTAL MATH TRICKS FOR FASTER MULTIPLICATION
Five worked shortcuts for two-digit multiplication: near-100 numbers, halve and double, difference of squares, rounding, and splitting.
▶ READ · 4 MIN5 PROBABILITY SHORTCUTS FOR QUANT INTERVIEWS
Five ways to shorten probability problems using complements, expectation, symmetry, conditioning, and combinations.
▶ READ · 5 MINHOW TO SOLVE NUMBER SEQUENCES FASTER
A fast five-step checklist for differences, ratios, alternating rules, recurrences, familiar families, and digit patterns.
▶ READ · 5 MINHOW TO ANSWER ESTIMATION QUESTIONS IN QUANT INTERVIEWS
A worked method for Fermi questions, including assumptions, a market-sizing example, a cross-check, and common mistakes.
▶ READ · 6 MINOPTIVER ONLINE ASSESSMENT GUIDE
Commonly reported mental math, numerical logic, probability, and attention sections, with original questions and a seven-day plan.
▶ READ · 8 MINIMC ONLINE ASSESSMENT GUIDE
Prepare for number sequences, analytical reasoning, mental math, and role-specific tests with worked examples and a focused plan.
▶ READ · 8 MINSIG ONLINE ASSESSMENT GUIDE
Probability, expected value, combinatorics, and quantitative reasoning preparation with original questions and clear format caveats.
▶ READ · 8 MINFIVE RINGS ONLINE ASSESSMENT GUIDE
Train estimation, probability, expected value, and mental math for a fast quantitative screen without relying on leaked questions.
▶ READ · 8 MIN