A) 3
B) 4
C) 5
D) 6
Correct Answer: D
Solution :
Sol. [d] LCM of\[\text{7,8,11,12}=\text{1848}\] |
\[\therefore \] Bells will toll together after every 1848 sec. |
\[\therefore \] In next 3 hrs. number of times the bells will toll together |
\[=\frac{3\times 3600}{1848}=5.84\] |
= 6 times. |
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