This sequence puzzle was asked in the aptitude test for google. It is a popular interview question and has been asked in many other top interviews.

Number Series Puzzle

1, 11, 21, 1211, 111221, ………

What is the next number?

Find the answer in the video or you can read it here.

What’s next in the series?

Can you think of the next term in the sequence. Write in comments.

Some more number series puzzles

2, 5, 26, 677, ???

 

CAT Number Series Puzzle

5+3+2 = 151022
9+2+4 = 183652
8+6+3 = 482466
5+4+5 = 202541
7+2+5 = ??????

 

Another Google Interview Question

The probability of spotting a truck on a highway in an hour is 0.999. What is the probability of spotting a truck on that highway in 20 minutes?

The Solution

You Must Know These Job Interview Puzzles for a Great Career

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