Directions: Read the given Pie chart and table carefully and answer the following questions. There are three types of classes Basic, Regular and Advance are of duration 1 hour, 2 hours and 3 hours respectively.

In the given pie chart the percentage of classes (in hours) taken by four Yoga teachers Sachin, Vishnu, Vaibhav and Aditya are given.

Total time for classes (in a month) = 450 hours

In the following table, the ratio of time spent on the different type of classes taken by a different teacher is given.

Teacher Name   1 Hour Class   2 Hour Class   3 Hour Class

Aditya                       5                     4                    2

Vaibhav                    2                     7                    5

Vishnu                      1                     2                   6

Sachin                      6                    8                    3