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- B starts 4.5 minutes after A from the same point, for a place at a distance of 3.5 miles from the starting point. A on reaching the desti…

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- B starts 4.5 minutes after A from the same point, for a place at a distance of 3.5 miles from the starting point. A on reaching the destination turns back and
walk a mile where he meets B. If A's speed is a mile in 6 minutes then B's speed is a mile in ____ minutes?
  • A1
  • B2
  • C3
  • D9
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Time taken by A = (3.5 + 1) ×6 = 27 min

Time Taken by B

27 - 4/2 = 45/2

TIme taken by B per mile

$\frac{22\frac{1}{2}}{3.5 - 1} = 9$ min.