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: 1. Some cars are rockets. 2. All rockets are engines. Conclusions: I. Some engines are rockets. II. Some engines are cars.Solution
All rockets are engines(A) = Some engines are rockets(I). Conclusion I follows. Some cars are rockets(I) + All rockets are engines (A) = Some cars are engines(I) i.e. Some engines are cars(I), conclusion II also follows. Both I and II follows.
A cube has edge 13 m. Find its length of diagonal, surface area and volume.Β
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A cube has edge 13 m. Find its length of diagonal, surface area and volume.