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Technical Interview Questions

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Technical Interview Questions

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50,000 shoppers with a 0.5% conversion rate for a chair that costs $250. Wayfair makes a 27% profit. Next, 50,000 shoppers will get a 10% discount. What is the conversion rate they must achieve to achieve the same profits as before?

17 Answers

This is incorrect Old revenue = 50000*250*.005=250*250 New revenue with conversion rate r% = 50000*r*250*.9 = old revenue = 250*250 r = .55%

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Describe and code an algorithm that returns the first duplicate character in a string?

12 Answers

You notice that adwords revenue for a certain word has dropped in Italy for the last 30 days. How do you go about determining why that has happened?

4 Answers

How do you handle irate clients that are having technical trobules and need to work immediately.

4 Answers

Why would you recommend Monster HDMI cables versus generic brand?

4 Answers

Q2: A pnp transistor with its base connected to a voltage source, the V source is connected to a +10V source. The emitter of the transistor is connected to a resistance, and then to the same +10V source. The collector side is connected to a capacitor, which is not charged at t=0-. Given the graph of Vsource = 10 V stepping up at t = 0 to further, draw the graph of Vout. Vout is between the point of collector and capacitor.

3 Answers

Why does one use MSE as a measure of quality. What is the scientific/mathematical reason for the same?

3 Answers

What is your idea of reasonable turn around time for a project?

3 Answers

Given a very large existing network with thousands of external connections, how would you add an additional few hundred connections?

3 Answers

I was asked the basic process of O&P sample from start to finish.

2 Answers
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