RRB RPF Constable 02 Feb 2019 Solved Paper

In this question, three conclusions have been given after three statements. Considering the statement as truth, think together on the given findings and decide which of these conclusions is logically logical beyond any doubt based on the information given in the statement.
Statement: Some are green yellow. All the yellow are white. Some are white black.
Conclusion:
i) Some are white green.
ii) Some are black yellow.
iii) Some are black  green