The question consists of two statements numbered “I” and “II” given below it. You have to decide whether the data provided in the statements are sufficient to answer the question or not and choose the correct option accordingly.
A box contains a certain number of white, black, and grey balls. The number of grey balls in the box are 25% less than the number of white balls in the box which are 20% less than the number of black balls in the box. Find the total number of balls in the box.
Statement I: The probability of drawing a grey ball from the box is 1/4.
Statement II: The probability of drawing two black balls from the box is 1/6.
1
The data in statement I alone is sufficient to answer, while the data in statement II alone is not sufficient to answer the question.
2
The data in statement II alone is sufficient to answer, while the data in statement I alone is not sufficient to answer the question.
3
The data either in statement I alone or in statement II alone are sufficient to answer the question.
4
The data given in both statements I and II together are not sufficient to answer the question.
5
The data in both statements I and II together are necessary to answer the question.