Question
A car travels 90 km at a speed of 45 km/hr, then 120 km
at 60 km/hr and finally 210 km at 70 km/hr. What is the average speed for the entire journey?Solution
The correct answer is D
How is Z related to X?
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Which of the following combinations of day-friend-company-colour is correct?
How is ‘B’ related to ‘E'?
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