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Relative speed

Relative speed
two cars crossing each other at 50 kmph and 20 kmph as shown above? what is the  relative speed when they cross each other? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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Probability

Probability
Deepak rolls two dices and  gets a sum more than 9. What is the probability that the number on the first dice is even ? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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