Tibra Interview Question: A man is rowing a boat to tra... | Glassdoor

Interview Question

Graduate (Trainee) Trader Interview Sydney (Australia)

A man is rowing a boat to travel up the river. each day he

  travels 5 miles upstream but at night when he resting he travels 4 miles downstream. How many days does he take to travel 20 miles?
written logic test

Interview Answer

5 Answers


The correct answer is probably not the one you come up with first. Requires you to have a good grasp of the scenario and some lateral thinking.

Interview Candidate on Apr 19, 2012

4 days they didn't ask abt nights

hell on Apr 26, 2012

16 days

me on May 18, 2012

He travels 9 miles a day, so just over 2.

Craig on Jun 14, 2012

Interesting. I too think its 16. travels net 1 a day, after 15 days he's 15 miles. On the 16th day he'll row miles 15 to 20 and obviously stop so he's not gonna drift back down.
In fairness I think Hell's answer would get some points for thinking outside the box!!

Ruairi on Aug 15, 2012

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