Question
Three statements are given followed by three conclusions
numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All metals are gold. All jewellery are gold. All gold are ornaments. Conclusions: I. Some ornaments are jewellery. II. Some metals are jewellery. III. All jewellery are ornaments.Solution
There are 6 blue pens, 5 black pens and 4 green pens in a bag. Three pens are chosen randomly.
Quantity I – The probability of their being...
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