J.P. Morgan Interview Question: A drop of water grows in a po... | Glassdoor

Interview Question

Summer Analyst Interview San Francisco, CA

A drop of water grows in a pond every second, it takes

  60 seconds to fill the pond. How long does it take to fill 1/4 the ponds?
Answer

Interview Answer

3 Answers

1

58 seconds

Interview Candidate on Jul 23, 2014
0

i rather go for 15 seconds ? ( 60/4 )

Alex on Jul 30, 2014
0

we're assuming it's "doubling" every second Alex. so one drop doubles to two, which doubles to four.

so if it takes 60 seconds to fill in pond that means it is doubled the amount of 59 which is also double of 58 or 1/4 of 60

Max on Sep 5, 2014

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