Question
Which of the following diagrams indicates the best
relation between Oil, Wick and Lamp? Each of these questions given below contains three elements. These elements may or may not have some inter-linkage. Each group of elements may fit into one of these diagrams at (a),(b), (c) or (d). You have to indicate the group of elements which correctly fits into the diagrams.Solution
Oil and Wick are different from each other but they both are used in lamp.
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