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1. When do the two hands of a clock of just after 3 pm make 30°angel between them?

A. 3:15:00

B. 3:10:54

C. 3:01:59

D. 3:5:20

Solution:

\begin{aligned} \frac{{(90 - 30)}^{o}}{5.5} \\ = \frac{(60 \times 2)}{11} \\ = 10 (\frac{10}{11}) \\ = 10 min 54 \sec \\ Thus, \\ Required time \\ = 3 : 10 : 54 \end{aligned}

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