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From the same place at 7 a.m. A started ...

From the same place at 7 a.m. A started walking in the north at the speed of `4 km//hr`. After 1 hours B stated cycling in the east at a speed of `8 km//hr`. At what time they will be at a distance of 20 km apart from each other?

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The correct Answer is:
10 a.m.
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TARGET PUBLICATION-QUADRATIC EQUATIONS-Additional problems for Practice : Based on Practice set 2.6
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  19. The denominator of a fraction exceeds its numerator by 2. If one is ad...

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