Question
A train covers a distance of 180 km in 4 hours 30
minutes. What is its average speed?Solution
Time = 4 hours 30 minutes = 4.5 hours Speed = Distance / Time = 180 / 4.5 = 40 km/h
If 5p + 2q = 23, then determine the value of ‘p’
Statement I: 35p + 14q = 161
Statement II: 20p + 8q = 92
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