Bissoy.com
Doctors Medicines MCQs Q&A

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 roads are streets Some streets are lanes Conclusions: I. No road is a lane II. All streets are lanes III. Some lanes are roads

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 roads are streets Some streets are lanes Conclusions: I. No road is a lane II. All streets are lanes III. Some lanes are roads Correct Answer Either conclusions I or III follows

The least possible Venn diagram according to the information is,

[ src="//storage.googleapis.com/tb-img/production/19/10/F1_V.K.G_N.J_07.08.2019_D%20_%20snip%20_%201.PNG" style="width: 223px; height: 97px;">

No road is a lane → False, it is possible but not definite.

All streets are lanes → False, it is possible but not definite.

Some lanes are roads → False, it is possible but not definite.

Conclusion I and III are complementary pairs

Hence, either conclusions I or III follows.

Related Questions

In the question three statements are given, followed by three conclusions, I, II and III. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: All Highways are lanes Statement II: Some streets are highways Statement III: All streets are expressways Conclusion I: Some expressways are lanes Conclusion II: Some lanes are streets Conclusion III: Some expressways are highways
In each of the following question below are given some statements followed by some conclusion, Taking the given 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 logically follows the given statements, seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements, Statements: I. All pages are yellow. II. All yellow are newspapers. III. Some newspapers are national. Conclusions: I. Some national are yellow II. Some newspapers are pages. III. No page is national.
Three Statements are given followed by four conclusions numbered I, II, III and IV. Assuming the statements to be true, even if they seem to be at variance with commonly know facts, decide which of the conclusions logically follow (s) from the statements. Statements: I. All streets are lights. II. Some rights are lights. III. No right is left. Conclusions: I. Some rights are streets. II. No light is left. III. Some lights are street. IV. Some streets are left.
In the following question below are given some statements followed by some conclusions. Taking the given 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 logically follows the given statements. Statements: No pink is a park. All pink are roads. Some dolls are roads. No doll is a ball. Conclusions: I. Some roads are not ball. II. Some pink are dolls. III. All park can be roads. IV. No park is a ball.
In the question below are given two 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 the given conclusions logically follows from the given statements disregarding commonly known facts. Statements:  Some camphor are rubidium All bauxite is titanium All rubidium is bauxite Conclusions: I. Some camphor are bauxite II. All bauxite are rubidium III. All bauxite is camphor
In the following question below are given three statements followed by three conclusions numbered I, II and III. You have to take the three statements to be true even if they seem to be at variance from the commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follow from the two given statements, disregarding commonly known facts. Statements: Some pigeons are eagles. All eagles are sparrows. Some sparrows are not pigeons. Conclusions: I. Some sparrows are pigeons. II. All pigeons are sparrows. III. All eagles are pigeons.
In the question 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 the given conclusions logically follows from the given statements disregarding commonly known facts. Statements: Some cars are fiat. Some fiat are brown. Some brown are classy. Conclusions: I. Some brown are cars. II. Some cars are classy. III. Some classy are fiat.
In the question below are given four statements followed by four conclusions numbered I, II, 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 the given conclusions logically follows from the given statements disregarding commonly known facts. Statements: All Chair are Fan. All Fan are Cushion. Some Cushion are Fruit. All Fruit are Lamp. Conclusions: I. Some Lamp are Fan. II. Some Fruit are Chair. III. Some Cushion are Lamp.                                       IV. All Chair are Cushion.
In the question 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 the given conclusions logically follows the given statements disregarding commonly known facts. Statements: Some wines are maroon. All maroons are dark. Some darks are black. Conclusions: I. All wines are maroon. II. Some darks are maroon. III. No black is wine.
In the question 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 the given conclusions logically follows from the given statements disregarding commonly known facts. Statements: Some Dogs are Friends. All Friends are Snakes. No Teacher is a Friend. Conclusions: I. Some Dogs are Snakes. II. All Dogs are Snakes. III. Some Teachers are Dogs.