Probability-and-statistics Questions Set 17:
The average of first five multiples of 5 is ____
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The average of first 71 natural numbers is _______
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What is the probability of getting a sum 9 from two throws of a dice?
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The average of 18 numbers is zero. Of them, at the most, how many may be greater than zero?
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Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?
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In a box, there are 8 red, 9 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?
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Tickets numbered 1 to 25 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
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Which of the following is Invalid relationship between Mean, Median and Mode
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The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is :
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In Arun's opinion, his weight is greater than 65 kg but less than 72 kg. His brother doest not agree with Arun and he thinks that Arun's weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Arun?
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