Question
Statement : No mobiles is a charger. Some
chargers are not phones. No phone is a bell. Conclusion : I. No mobile is a bell. II. Some mobiles are not phones. III. Some chargers are mobiles. In each question below are given three statements followed by three conclusions numbered I, II and III. You have to take the three given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.Solution
No mobiles is a charger(E) + Some chargers are not phones(O) ⇒ No conclusion. Hence Conclusion I and II will not follow. No mobiles is a charger(E) ⇒ Conversion ⇒ Some chargers are not mobiles(O). Hence Conclusion III will not follow.
- The total of two numbers βuβ and βvβ is 600. If βuβ is reduced by 12% and βvβ is increased by 18%, both become equal. Find the value of β...
In an examination, a student who scores 25% of the maximum marks fails by 15 marks. Another student who scores 35% of the maximum marks gets 25 marks mo...
The earnings ratio of individuals 'P' and 'Q' stands at 5:3, respectively. 'P' manages to save 20% of their income, which is precisely 80% of what 'Q' s...
In a survey conducted in a locality, it was found that 50% read newspaper A, 40% read newspaper B, and 20% read neither A nor B. If the number of person...
In a school, 25% of the students like cricket, 40% like rugby and the rest like football. If the number of students who like football exceeds 50% of tho...
There are 100 students in a particular class. 60% students play cricket, 25 % play football and 15% play both the games. What is the number of students ...
A invested a certain amount in Debt and Equity mutual funds in the ratio of 5: 7 respectively. At the end of one year, he earned a total dividend of 30%...
- 66% of a number is equal to 44% of another number. If their total is 330, what is their difference?
A man donated 9%, 20% and 22% of his income to three NGOs βAβ, βBβ and βCβ, respectively. They spent 75%, 80% and 50% of respective sums rec...
E scored 25% marks in an exam whereas F scored 250 marks in the same exam. If the score of F is 100 marks more than that of E, th...