Question : Directions: In this question, three statements are given followed by three conclusions I, II and III. You have to consider the three statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusion(s) logically follow(s) from the given statements. Statements: Some bricks are metals. All metals are shiny. No shiny thing can float. Conclusions: (I) Some metals can float. (II) No brick can float. (III) Some bricks are shiny.
Option 1: All conclusions I, II, and III follow
Option 2: Only conclusion III follows
Option 3: None of the conclusions follows
Option 4: Only conclusion II follows
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Correct Answer: Only conclusion III follows
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): Some metals can float – From the Venn diagram, it is evident that all the metals are shiny and no shiny thing can float. So, from this, it can be concluded that no metal can float. Thus, this conclusion doesn't follow. Conclusion (II): No brick can float – From the Venn diagram, it is evident that there is no direct relation between bricks and float. So, no definite relation can be drawn. Thus, this conclusion does not follow. Conclusion (III): Some bricks are shiny – From the Venn diagram, it is evident that the circles representing bricks and shiny overlap and have some parts of their area in common. Thus, it can be concluded that some bricks are shiny. Thus, this conclusion follows.
So, only conclusion III follows. Hence, the second option is correct.
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Question : Directions: Three statements are given followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: No sheet is a pillow. Some pillows are blankets. All blankets are rugs. Conclusions: I. Some pillows are rugs. II. All blankets can never be sheets. III. Some rugs are sheets.
Option 1: Only conclusion III follows
Option 2: Only conclusion II follows
Option 3: Only conclusions II and III follow
Option 4: Only conclusions I and II follow
Question : Directions: Three statements are given followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which conclusions logically follow(s) from the statements. Statements: Some sounds are noises. All noises are debates. Some debates are conversations. Conclusions: I. No noise is a conversation. II. At least some conversations are sounds. III. Some sounds are debates.
Option 1: Only conclusions II and III follow
Option 3: Only conclusions I and II follow
Option 4: Only conclusion III follows
Question : Directions: Two statements are given, followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some carpenters are singers. All singers are doctors. Conclusions: I. No doctor is a carpenter. II. Some doctors are singers. III. Some carpenters are doctors.
Option 1: All of the conclusions follow
Option 3: Only conclusion III follows
Option 4: Only conclusions II and III follow
Question : Directions: Three statements are given followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which conclusions logically follow(s) from the statements. Statements: Some dates are weeks. Some weeks are months. All months are years. Conclusions: I. No date is a month. II. Some weeks are years. III. All years can never be dates.
Option 2: Only conclusions I and II follow
Option 3: Only conclusion II follows
Question : Directions: Three statements are given followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which conclusions logically follow(s) from the statements. Statements: Some deer are snakes. All deer are tigers. Some wolves are deer. Conclusions: I. Some tigers are not deer. II. Some deer are wolves. III. Some tigers are snakes.
Option 2: Only conclusions II and III follow
Option 3: Only conclusions I and III follow
Option 4: All the conclusions follow
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