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Henry started a trip into the country...

Henry started a trip into the country between 8 A.M. and 9 A.M. when the hands of clock were together. He arrived at his destination between 2 P.M. and 3 P.M. when the hands of the clock were exactly `180o` apart. How long did he travel? (a) 6 hours (b) 7 hours (c) 9 hours (d) 11 hours

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RS AGGARWAL-CLOCKS-All Questions
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