Question
Read the given statements and conclusions carefully.
Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: No kite is a book. No book is a pencil. All charts are books. Conclusions: I. No chart is a kite. II. No chart is a pencil.Solution
All charts are books (A) + No book is a kite (E) → No chart is a kite (E). Hence conclusion I follows. All charts are books (A) + No book is a pencil (E) → No chart is a pencil (E). Hence conclusion II follows.
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The third proportional to (4x² – 4y²) and (2x–2y) is:
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The speeds of two trains are in the ratio 7:9. If the first train travels 315 km in 3 hours, how far will the second train travel in 5 hours?
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