Question
A and B are travelling towards each other with a speed
of 20 km/hr and 30 km/hr. If they started at same time and A covered 18 km less distance than B before meeting him, then find the distance between them before starting.Solution
Since, the time taken by A and B is same, therefore the ratio of the distance covered by them will be equal to the ratio of their speeds. Therefore, ratio of the distance covered by A and B = 20:30 = 2:3 Let the distance covered by A and B be 2x km and 3x km According to the question, 3x – 2x = 18 Or, x = 18 Therefore, distance between them before starting = 2x + 3x = 5x = 90 km
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The scientist's ambiguous statement left the a... Person who believes that life is meaningless and rejects all religious and moral principles
In the following question, choose the word which is opposite in meaning to the given word.
Shabby
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Select the most appropriate ANTONYM of the bold word.
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...Choose the word correct synonym:
Regulate
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