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Q. A boat against the current of water goes 9 km/hr and in the direction of the current 12 km/hr. The boat takes 4 hours and 12 minutes to move upwared and downward direction from A to B. What is the distance between A and B?
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Q. The LCM of two multiples of 12 is 1056. If one of the number is 132, the other number is ?
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