Heard on the Street: Quantitative Questions from Wall Street Job Interviews

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Starting with the 22nd edition, questions that appeared in (or are likely to appear in) traditional corporate finance job interviews are indicated with a bank symbol in the margin (71 of the quant questions and 192 of the non-quant questions). This makes it easier for corporate finance candidates to go directly to the questions most relevant to them. Most of these questions also appeared in capital markets interviews and quant interviews. So, they should not be skipped over by capital markets or quant candidates unless they are obviously irrelevant. The revised 22nd edition contains 239 quantitative questions collected from actual job interviews in investment banking, investment management, and options trading. The interviewers use the same questions year-after-year, and here they are with detailed solutions! This edition also includes 264 non-quantitative actual interview questions, giving a total of more than 500 actual finance job interview questions.

In each case, only 3 weighing are needed. This technique is generalized in Question (The "90-coin Problem") (15th Edition 1.18) The initial concentration of alcohol in the alcohol jug equals the initial concentration of water in the water jug (at 100%). What is the relationship between the final concentrations of alcohol in the alcohol jug and water in the water jug? That being said, I’ve heard most of the questions before so you can probably just look up the answers on the internet if you’re really curious.

If {(1)A, (3)A} and{(1)B, (3)B} are unbalanced, say {(1)A, (3)A} is heavier than {(1)B, (3)B}, then rotate group (3)A, (3)B and (3)C and compare grouping {(1)A, (3)B with {(1)B, (3)C} (while holding out {(1)C, (3)A}). If they balance, then a heavy marble is in (3)A and comparing any 2 marbles from within (3)A immediately locates the odd one. Suppose they do not balance. If {(1)A, (3)B} is heavy, then either (1)A is heavy or (1)B is light. Compare (1)A with (1)C to finish. If {(1)A, (3)B} is light, then (3)B is light and comparing any 2 marbles within (3)B immediately locates the light one. In any world, the shortest path between two points is called a "geodesic." On a spherical world (e.g., the Earth's surface), a geodesic is an arc of a "great circle." A great circle is a circle on the surface of the sphere with diameter equal to the diameter of the sphere. For example, aeroplanes typically follow great circles above the Earth (because it is the shortest path and, therefore, the most fuel-efficient path).

Optiver: Human calculators go here. There's a 80 question, 8 minute mental math test, followed by a sequences test and then a subjective probability test. The mental math test weeds out almost all the candidates from what I've heard, and following the online tests, there's a market making group discussion, followed by more interviews, which are just as gruelling as Jane Street Author's Notes: This is not a chemistry problem. Please ignore the fact that mixing a volume V1 of water with a volume V2 of alcohol results in a total volume less than V1+V2. Follow-up question: Repeat the mixing, and ask the same question. Now do it again, and again, and ask the same question.) Do not need any calculatiosn at all. In fact, the only reason for any calculation is if you also want to find out what the final concentrations are. There are others as well (Quadeye, Graviton, NK, APT), a few of which I applied to, but I wanted to go for an offshore role, considering how almost everyone in my year went abroad for a research intern this summer. Books Some questions here and here (very similar questions in both though, doing one thoroughly should be sufficient)Compare {(1)A, (3)A} with {(1)B, (3)B}. If they balance, then the odd ball is in group C. In this case, compare (3)C to (3)B. If (3)C is heavier or lighter, then comparing any 2 marbles from within (3)C immediately locates the odd one; if (3)C balances 3(B), then compare (1)C to (1)B to see whether (1)C is heavier or lighter. I have a revolver with six empty chambers. Watch me as I load the weapon with two contiguous rounds