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Anushka Prasad Grade: 9
        


At a book store, “MODERN BOOK STORE” is flashed using neon
lights. The words are individually flashed at intervals of 21/2,
41/4, 51/8 seconds respectively,
and each word is put off after a second. Find the least time after which the
full name of the bookstore can be read again?



5 years ago

Answers : (1)

Ravi
askIITians Faculty
69 Points
										The difference between individual flashing of words takes 31/2, 5 1/4, 6 1/8seconds respectively. A whole number LCM of the 3 time intervals would give the least timeafter which the full name of the bookstore can be read again.

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2 years ago
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