The question given below is followed by three statements (I), (II), and (III). Which of the following statement or statements is/are required to answer the given question?
A joker has three identical boxes having the same number of balls but are of different colors. In each box ‘a’ balls are black, 7 balls are white, and ‘b’ balls are pink. Find (a+ b)?
(I) The probability of choosing one ball which is either black or white from any one of the boxes, is 3/4.
(II) The number of ways to select two balls from any one of the boxes is 6.
(III) The probability of choosing one ball which is either black or pink from any one of the boxes is 9/16.
1
Only statement (I) alone is sufficient to answer the question.
2
Only statement (II) alone is sufficient to answer the question.
3
Only statement (III) alone is sufficient to answer the question.
4
Any of two statements are sufficient to answer the question.
5
Both (I) and (II) are required together.