Counting Road and Mountain Bikes Sold

Medium Data Sufficiency Analyzing Information

A local bicycle shop sells two types of bicycles: mountain bikes and road bikes. The manager recorded the sales for the last month.

Statement (1): The total number of bicycles sold was 70.

Statement (2): There were 20 more road bikes sold than mountain bikes.

How many road bikes were sold?

The statements together are sufficient; the number of road bikes sold is uniquely determined.

Each statement alone is sufficient to determine the number of road bikes sold.

The statements together are not sufficient to determine the number of road bikes sold.

One of the statements is sufficient, but the other is not.

Submitted16.5K

Correct13.4K

% Correct81%