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1. |
The minute hand of a clock overtakes the hour hand at intervals of 65 minutes. How much a day does the clock gain or loss? |
A. | (10 + 10/143 )min |
B. | (10 + 1/143 ) min |
C. | (10 + 20/143 ) min |
D. | (10 + 30/143) min |
Answer» B. (10 + 1/143 ) min | |