Question
The ratio of the speed of car to that of a train is
15:22. If the speed of the train is 35 Km/hr more than that of the car, what is the speed of the car?Solution
Let the speed of car and train be 15x & 22x respectively. According to the question, 22 x - 15x = 35 ⇒ 7x = 35 ⇒ x = 5km/hr ∴ Speed of the car = 15x = 15 × 5 = 75 km/hr.
Find the upcoming numbers in this series.
169, 146, 157, 134, 145,?
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Conclusions:
I. Some rats are ants.
II. Some ants are mats.
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