quantitative aptitude test 103

Test # 103
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1. A red light flashes 3 times per minute and a green light flashes 5 times in two minutes at regular intervals. If both lights start flashing at the same time, how many times do they flash together in each hour?

Quantitative Aptitude
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look for (something)
to try to find something, to hunt or search for something
The woman has been looking for her credit card all morning.
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