Question
Barry and Iris set off simultaneously from point A,
aiming to reach point B. Barry travels faster than Iris, with their speeds being in a ratio of 5:3. If Iris arrives at point B one hour later than Barry, how long does it take Barry to complete the journey from point A to point B?Solution
Ratio of speed of Barry: Iris = 5: 3 Therefore, time taken by Barry to point B from point A = {1/ (5 – 3)} × 3 = 1.5 hours Hence, option b.
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1. a2 + b2 - 2ac =...
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