A) \[\frac{33}{2}\]
B) 15
C) 12
D) 22
Correct Answer: B
Solution :
In order to strike 12, there are 11 intervals of equal time \[=\frac{33}{11}=3\] seconds each Therefore, to strike 6 it has 5 equal intervals, it requires \[5\times 3=15\] sec.
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