# Solutions

Get detailed explanations to advanced GMAT questions.

### Question

If snow accumulation increased at a constant rate of 30 millimeters per hour during a certain snowstorm, how many seconds did it take for snow accumulation to increase by 1 millimeter?

Option A:

1/120

Option B:

1/60

Option C:

1/20

Option D:

20

Option E:

120

### Difficulty Level

Easy### Solution

Option E is the correct answer.

### Option Analysis

Given the rate is 30 millimeters per hour.

I hour = 3600 Seconds

30 millimeters = 3600 Seconds

1 millimetre = 120 Seconds

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