Question
Statements:Â Â Â Â Â No book is a
pencil. All books are boards. All boards are dusters. No eraser is a duster. Conclusions: I. Some books are not dusters. II. Some books are not boards. III. Some boards are not pencils. IV. Some erasers are not boards. In each of the questions below are given four statements followed by four conclusions numbered I, II and III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.Solution
 All books are boards (A) + All boards are dusters (A) = All books are dusters (A) ⇒ Conversion ⇒ Some dusters are books (I), Hence, Ist doesn’t follow. All books are boards (A) ⇒ Conversion ⇒ Some boards are books (I), Hence, IInd doesn’t follow No book is a pencil (E) ⇒ Conversion ⇒ No pencil is a book (E) + All books are boards (A) ⇒ Some boards are not  pencils(O*). Hence IIIrd follows. All boards are dusters (A) + No duster is an eraser (E) ⇒ No board is an eraser (E) ⇒ Conversion ⇒ No eraser is a board ⇒ I.I ⇒ Some erasers are not boards (O*). Hence IVth also follows. Alternate Method-Â
With reference to the Gross Value Added (GVA) in India’s agriculture and allied sectors, consider the following statements:
1. The GVA of agric...
Who authored the recently released book titled “Echoes of Faith: Tales of Explorations, Nature and Divinity”?
By how many times is the space economy expected to expand with the venture capital fund announced in the Union Budget 2024-2025? Â
What is the primary goal of the NITI GearShift Challenge?
Which species was declared as Vulnerable on the IUCN Red List recently?
With respect to the Arunachal Pradesh's budget for FY 2024-25 presented in July 2024, which statements are true?
A.The total budget estimate is ďż˝...
Choose the sentence with no spelling error.
Fill in the blanks with reference to the Viksit Krishi Sankalp Abhiyan (2025):
1. The campaign will run from ____ to ____, targeting 1–1.5 cror...
According to the Ministry of Statistics and Programme Implementation, India's Index of Industrial Production (IIP) grew by 4.2% in June 2024. Which sect...
In which country is Agalega Island located?