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What is the minimum number of boxes you must check in order to label all boxes correctly?

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There are three boxes which are labeled as Rs 100, Rs 150, and Rs 200.
One box contains two notes of Rs. 50. The second box contains one note of Rs 50 and one note of Rs 100. The third box contains two Rs. 100 notes.
All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

posted Apr 8 by Ujjwal Mehra

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1 Answer

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You just need to check Rs.150 box


There are 2 possible ways:
1. If it contains Rs. 100 notes, then
Current box contains Rs. 200 notes / Rs 100 box contains Rs. 150 notes / Rs. 200 box contains Rs. 100 notes.
2. If it contains Rs. 50 notes, then
Current box contains Rs. 100 notes./ Rs. 100 box contains Rs. 200 notes/ Rs. 200 box contains Rs. 150 notes.

answer Apr 8 by Hanifa Mammadov



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