A sweet shop gives out free gajak (asweet made from sesame seeds, jaggery, and ghee) to school children on Tuesdays. Today is a Tuesday, and Nila enjoyed eating the gajak. But she visits the sweet shop once every 6 days. When is the next time she would be able to get free gajak from the sweet shop? (Hint: Answer in number of days.)
 
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Answer:
 
Nila will next be able to get free gajak after days.