3 Searchlights are illuminated at intervals of 20 s, 30 s and 45 s. Th – McqOptions

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1.	3 Searchlights are illuminated at intervals of 20 s, 30 s and 45 s. The time between two simultaneous lights is -
A.	5 से
B.	90 से
C.	120 से
D.	180 से
Answer» E.

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