AP ICET 2011

Instructions

For the following questions answer them individually

Question 141

If the Mode and Mean ofa data are 44 and 38 respectively, then the Median of the data is

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Question 142

The Median of the observations 108, 343, 721, 39, 74, 192, 48, 10, 123 is

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Question 143

If two dice are thrown, then the probability that the sum of the two numbers obtained is a prime number is

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Question 144

The arithmetic mean of the first 71 natural numbers is

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Question 145

If a letter is sélected at random from the first 15 letters of the English alphabet, then the probability that it is a consonant is

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Question 146

The variance of the observations 73, 74, 75, ..., 84, 85 is

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Question 147

If E, F are two events in a random experiment such that $$P(E) = \frac{1}{2}, P(F) = \frac{1}{3}$$ and $$P(E \cap F) = \frac{1}{12}$$ then $$P(E \cup F) =$$

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Question 148

If a number is selected at random from the first 120 natural numbers, then the probability that it is divisible by 6 or 8 is

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Question 149

For two positive’ real numbers, arithmetic mean and geometric mean are 13 and 12 respectively, then these two numbers are

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Question 150

If a leap year is selected at random, then the probability that there will be 53 Sundays in that year is

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