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Now suppose, the staff toggles 15 consec...

Now suppose, the staff toggles 15 consecutive doors then with how many doors can you acheive his aim of toggling a state of a single door ?

A

53

B

54

C

55

D

None of these

Text Solution

Verified by Experts

Number of doors and 15 should not have any common factor.  So, 53 is the answer
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