If yoga master C conducted 4 Regular sessions and atleast one session of each type was conducted by ...........

Quantitative Aptitude (SBI-PO) Data Sufficiency

Direction: Study the given information carefully and answer the following questions.
Three yoga masters i.e., A, B, C and D conducted yoga sessions in a society. These yoga sessions are of three types viz. Basic (of 1 hour each), Regular (of 2 hours each) and Advanced (of 3 hours each). The pie chart given below shows the percentage distribution of total number of hours for which the given yoga masters conducted sessions in the society

If yoga master C conducted 4 Regular sessions and atleast one session of each type was conducted by him, then find the maximum number of Basic sessions that were conducted by Yoga master C

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Explanation:

Total number of hours for which yoga master C conducted sessions = 50% of 60 = 30 hours
Number of regular sessions conducted by C = 4
Remaining number of hours = 30 – 2 × 4 = 22 hours
Now it is given that, yoga master C conducted atleast 1 session of each type.
So, for number of basic sessions to be maximum, let number of advanced sessions conducted by him = 1
Number of hours for which basic sessions were conducted by yoga master C = 22 – 1 × 3 = 19 hours
As each basic session is of 1 hour.
Required answer = 19 sessions
Hence, option 3 is correct.