Question
Statements : No painting is a pencil. Some
pencils are drawings. All drawings are sketches. Conclusions : I. Some sketches are drawings. II. Some drawings are not paintings. III. All pencils being sketches is a possibility. In each of the questions below are given three statements followed by three conclusions numbered I, II and III. 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 drawings are sketches (A) ⇒ Conversion ⇒ Some sketches are drawings (I). Hence, conclusion I follows. No painting is a pencil(E) + Some pencils are drawings(I) Some drawings are not paintings(O*). Hence, conclusion II follows. Some pencils are drawings(I) + All drawings are sketches(A) ⇒ Some pencils are sketches(I) ⇒ Probable conclusion ⇒ All pencils may be sketches(A). Hence, conclusion III follows.
A storm is predicted if atmospheric pressure β
Activated charcoal is used to remove colouring matter from pure substances by which of the following process?
The sudden fall of atmospheric pressure indicates β
Bleaching powder is represented as ______.
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
Who measured the velocity of light first?
In a compound, the elements are always present in definite proportions by:
In nuclear reactor, heavy water is used as β
Which of the following does not give effervescence with sodium carbonate?
Which of the following has the lowest ionization enthalpy?