Comprehension Passage
Directions: Study the following bar graph and answer the questions based on them.
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If average salary of all senior and junior managers is Rs. 50000, average salary of all junior managers and clerks is Rs. 36000 and the average salary of all senior managers and clerks is Rs. 42666.66, what is the total number of senior managers?
1
20
2
15
3
25
4
50
5
35