CAT4MBA

Q1. The probability of three persons having the same date and month of their birthday is:
a. 7/(365)^2
b. 7^2/(365)^2
c. 1/(365)^2
d. None of these

Q2. In INDIA out of 100,000 females, 89.835% can expect to live to age 60, while 57.062% can expect to live to age 80. Given that a woman is 60, what is the probability that she lives to age 80?
a. 61.37
b. 63.52
c. 65.13
d. None of the above

Q3. Three six-faced unbiased dice are thrown together. The probability that exactly two of the three numbers are equal
a. 7/12
b. 9/16
c. 7/13
d. 5/12

Q4. A box contains 6 red balls, 7 green balls and 5 blue balls. Each ball is of a different size. The probability that the red ball being selected is the smallest ball, is
a. 1/18
b. 1/3
c. 1/6
d. 2/3

Q5. Urn I contains 2 black balls and 3 white balls. Urn II contains 1 black ball and 1 white ball. An urn is drawn at random and a ball is chosen at random from it. The probability that the color of the ball chosen is black.
a. 2/9
b. 4/9
c. 1/3
d. 2/3

Q6. There are 3 red, 3 blue and 3 green balls. What is the probability that  out of the 3 selected balls 2 are red?
a. 1/4
b. 3/7
c. 2/5
d. None of these