Some copies are pages (I) + No page is a letter (E) ⇒ some copies are not letters (O). Hence, conclusion Iand IV will not follow but it will make a complementary pair. All books are copies (A) + Some copies are pages (I) ⇒ No conclusion. Hence, conclusion II will not follow. No paper is a book (E). ⇒ All books are copies (A) ⇒ Some copies are not papers (O) ⇒ Probable conclusion ⇒ No copy may be paper (E). Hence, Conclusion III follow.
A girl spent 15% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 5:4. If the difference of the income ...
A man invested all his current month income in starting of a new business in which he spends 40% in advertisement 30% of remaining in furniture 25% of r...