E. 2
Given data 2,3,4,4,4,5,5,6,7,13 . Which of the following is (are) true?
1.The mean is equal to the median.- The mode is smaller than the mean.
- The mode is greater than the median.
A.one only B. 2 only C.3 only D. 1 and 2 only E.2 and 3 only
19.If the mode of even numbers 2,4,4,3,7,5,y,5,4,3,5 is 5. Find the mean of the set of number.
A. 3 B. 3.5 C.4 D.4.5 E.5
20.A group of n numbers has mean m if the number 1,2 and 9 are removed from group , the
mean of remain n-3 number remains unchanged . Find m.
A.1 B.2 C. 3 D.4 E.n-3
21.A two figure number is written down at random, the probability that the number is greater
than 67 is
A. 3299 B.3290 C.3399 D.3390 E. None of them
The probability that a number chosen from 2,4,5,6,6,7,8,9 will be the median is
A.12 B.13 C.14 D.0 E.18A dice is rolled , the probability that it is not greater than 3 is
A.16 B.26 C.36 D.46 E.56A bag contains 5 white marbles, 3 black and 2 red. The probability that if a marble is chosen
at random it will be a not white is
A. 35 B.25 C.310 D.210 E.12A bag contain 12 white balls , some red balls and some blue balls. The probability of
drawing a red ball is 12 and the probability of drawing a blue ball is 13 . The total number
of balls in the bag is
A. 22 B.60 C. 72 D.84 E. impossible to determine from the given informationA bag contains x red balls and 2 blues. A ball is chosen at random, given that the
probability that it will be red is 23 , then x=………
A.1 B.2 C.3 D.4 E.5The probability of an event A is 3-4x . Then x cannot be
A. 12 B.14 C.34 D.58 E.35Which of the following numbers cannot be probability value?
A. 0 B. 1 C. 0.99 D.9.9 E.15If any number is chosen at random from the whole number 1 to 50 inclusive , the probability
of getting a multiple of 3 is
A.448 B.1648 C.450 D.1650 E.1250The probability that a number chosen at random from the numbers 6,8,8,12,12,8,14 will be
the mode of these number is
A.14 B. 38 C. 13 D. 18 E.23A bag contains 12 marbles, six are red, four are blue and two are white. If one marble is
drawn from the bag, then the probability that is neither white nor blue is
A.16 B.118 C.0.5 D.2 E.1A and B are two sets such that n(A) = 10, n(B)= 25 and n(A∪B) =30, where n(P) is the
number of elements in the set P. If an element is chosen at random from the set A∪B, the
Probability that will not be an element of B\A is
A.18 B.13 C.23 D.56 E. None of theseA bag contains 12 white balls and some red balls. The prob
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