Engineering Interview Questions in Raleigh-Durham, NC | Glassdoor

Engineering Interview Questions in Raleigh-Durham, NC


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Write C code to check if an integer is a power of 2 or not in a single line?

5 Answers

if( x & (x-1) == 0) { printf("Power of 2); }

int isPowerOf2 = (i & 0x1) ? 0 : 1;

Answer of Nov 9, 2010 is inappropriate. i=6 fails this code.

find number of 1's in a number

4 Answers

Two trains, each moving at 20 miles per hour towards each other, are initially 60 miles apart. A bee starts at the front of one train, flies to the other train, then back to the first train, and so on. If the bee always flies at 30 miles per hour, how far does the bee fly before the trains collide?

6 Answers

A IQ question: I have 9 coins and 8 have the same weight and the last one is heavier. I also have a balance beam to weigh the coins with. I can only use the balance beam 2 times to find the heavier coin. How do you find the heavier coin?

4 Answers

Can Si be used to make LEDs ?

3 Answers

I had not expected to be asked logic questions, which made me nervous. The first one was a weigh nine items on a balancing scale to find the odd one out in the fewest scale uses

3 Answers

If an ice cube melts in water, does the water level rise or fall? Explain with details.

3 Answers

If you're stuck in the middle of nowhere with a broken down car, how can you determine what the problem is?

3 Answers

Difference between turbo and cryo vacuum pump?

2 Answers

How many barbers to cut men's hair in a city of 2 million people?

2 Answers
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