Morgan Stanley Quantitative Analyst interview questions

Applied for the quantitative finance summer intern. 1st round phone interview conducted by HR. Asked about Dow, MS stock price, Euro/Dolloar exchange rate. And about 5 maths, probability questions. Took about 30 min. Get into the second round conducted by real quants. Don't know what kind of questions are coming.

I applied online and got an interview call after resume screening. The interview was basic math and finance knowldege. Questions: 1. What is the current DJIA 2. NASDAQ 3. Given a 3-D grid of side 3 and where length of each unit is 1, find the number of ways of moving from coordinate 0,0,0 to 3,3,3. Assume that the two points are the 2 ends of the body diagnol. 4. A question based on birth and death processes 5. Probabilty Q based on bay's rule