This question was asked in CSIR _NET 2014. I cannot figure out what are conditions given:
Lunch-dinner pattern of a person for '$m$' days is given below. He has a choice of a vegeterian food and non-vegetarian food for his lunch or dinner. The pattern below given should be considered.
A. If he takes non-vegetarian lunch then he will have to take only vegetarian for dinner.
B. He takes non-vegetarian dinner for exactly for nine days.
C. He takes vegetarian lunch for exactly $15$ days.
D. He takes a total of $14$ non-vegetarian meals.
Determine the value of $m$.