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1. Quantitative Interview questions and answers

First A(t) is a periodic function with period 12, any t value which is not between 0 and 12 is converted to t'=mod(t,12) and A(t) = A(t'). Second t=[t]+{t} for t>0, where [t] means the largest integer less than t and {t} means the decimal part of t. We use alpha to measure the angle between the...
2. Quantitative Interview questions and answers

I do not think your answer is correct. Look at simple case where n=3, k=2. Just enumerate all the possible cases, you will see it should be 6. But your answer is 3. And for n=4,k=2, the answer is 14, but yours is 24. The answer should be nPk*k!*k^(n-k)/Q(n,k), where Q(n,k) is the recount...
3. New Quantnet members say hi

God, just one day so many replies!
4. New Quantnet members say hi

New member says 'hello' to all members Hello all, I am glad to join this community. Hope I will make a lot of friends here. I am looking for a position for quant and the job market now is ... I will appreciate if any one would help me to pass my resume. I am phd in math and...