All suns are stars. All moons are stars. Some stars are gases. Some planets are suns. The conclusions are (i) No moon is planet (ii) Some suns are gases (iii) Some stars are planets (iv) Some…
Question and options
All suns are stars. All moons are stars. Some stars are gases. Some planets are suns. The conclusions are
(i) No moon is planet
(ii) Some suns are gases
(iii) Some stars are planets
(iv) Some planets are moons
(i) No moon is planet
(ii) Some suns are gases
(iii) Some stars are planets
(iv) Some planets are moons
- i is correct
- ii is correct
- i, iii and iv are correct
- iii is correct
Answer and explanation
Correct answer: D - iii is correct
Some planets are suns and all suns are stars, so some planets are stars, i.e. some stars are planets (iii) follows. i and iv cannot be determined; ii (some suns are gases) does not follow since only some stars are gases.
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CUSAT Three-Year LL.B.
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