The correct option is
A 3
Let's convert the fractions in the given table into equivalent fraction with denominator 6.
13 = 13 × 22 = 26
12 = 12 × 33 = 36
The new table will look like:
Now, let's plot the fractions on a line plot graph.
When denominators are the same, the lesser the numerator, the lesser the value.
Hence, 3 songs have a duration of less than 36 hours.