Question
Two cyclists start from villages R and S which are 234
km apart. One starts from R at 6:45 a.m. at 36 km/h. Another from S at 7:45 a.m. at 54 km/h towards R. When will they meet?Solution
Time gap = 1 hour → Distance = 36 × 1 = 36 km
Remaining = 234 – 36 = 198 km
Relative speed = 90 km/h
Time = 198 / 90 = 2.2 hrs = 2h 12m
Meeting time = 7:45 a.m. + 2h 12m = 9:57 a.m.
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(9x² - 25) / (3x + 5)
1024 ÷ 32 = 2(1/2)×?
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144÷12+18×2=?
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