Question 153

In certain code '247' means ‘spread red carpet’, '256' means ‘dust one carpet’ and '264' means ‘one red carpet’. Which digit in that code means ‘dust’?

Solution

"dust" is seen only in the second sentence. So a number in its three digit code which doesn't occur in other codes should stand for "dust"
The digit which does that is 5. hence, the answer.  


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