Bissoy.com
Doctors Medicines MCQs Q&A

Some hills are rivers. Some rivers are desrets. All desrets are roads. Conclusions: 1. Some roads are rivers 2. Some roads are hills 3. Some deserts are hills

Some hills are rivers. Some rivers are desrets. All desrets are roads. Conclusions: 1. Some roads are rivers 2. Some roads are hills 3. Some deserts are hills Correct Answer Only 1 follows

Some hills are  rivers. Some rivers are deserts.

Since both the premises are particular, no defenite conclusion follows.

 

Some rivers are deserts. All deserts are roads

Since one premise is particular,the conclusion must be particular and should'nt contain the middle term. Since it follows that 'Some rivers are roads'. 1 is the converse of this conclusion and so it holds.

Related Questions

Statements : Some hills are rivers. Some rivers are deserts. All deserts are roads.

Conclusions :
I. Some roads are rivers.
II. Some roads are hills.
III. Some deserts are hills.
Which of the following statements are true regarding cold and hot deserts: (a) Hot deserts have high temperature while cold deserts have low temperature. (b) hot deserts are battered by sun and are sandy. Cold deserts have ice and snow covered ground. (c) Hot deserts are red or orange while cold deserts are gray. (d) Hot and cold deserts experience a significant seasonal effect.
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 given below are given two statements followed by a few conclusions a option. You have to take the two 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 basically follows from the tow given statements disregarding commonly known facts. Statements: A. All rivers are clouds B. Some animals are rivers Conclusion: 1. Some rivers are animals 2. Some clouds are rivers 3. All clouds are rivers 4. All animals are clouds A. Conclusion 1 and 2 follow B. Conclusion 1, 2 and 3 follow C. Conclusion 1 and 3 follow D. Conclusion 2, 3 and 4 follow
In the question below, two statements and some of their conclusions are given as alternatives. You have to follow both the given statements correctly, even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions basically follows the given statements, regardless of the commonly known facts. Statements: 1. All stars are planets 2. All planets are moons Conclusion: 1. All moons are planets 2. Some planets are stars 3. Some moons are stars 4. All planets are stars A. Conclusions 1, 3 and 4 follow B. Conclusions 2 and 3 follow C. Conclusions 1, 2 and 3 follow D. All conclusions follow
Statements : All pencils are birds. All birds are skies. All skies are hills.

Conclusions :
I. All pencils are hills.
II. All hills are birds
III. All skies are pencils.
IV. All birds are hills.
In this question two statements and two conclusions i and ii have been given. You have to consider both the conclusions by considering the statement as true and deciding which conclusions are logically logical beyond any doubt. Statement: All balls are bat. All bats are rubber. Conclusion: i) All balls are rubber. ii) There are some rubber balls. Select the correct option from the given options. (A) Only conclusions i is logical (B) Only conclusions ii is rational (C) or conclusions i or ii is rational (D) nor the conclusions ii is rational (E) both the conclusions i and ii are rational
  In the following question below are given two statements followed by two 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: Some roads are highways. No highways are railways. Some rail is railways. Conclusions: I. Some highways are roads. II Some roads are railways. III. All rail is railways. IV. Some rail is not highways.
Read the given statements and conclusions carefully. Assuming that the Two statements are given followed by three conclusions numbered I, II and III. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: 1. All tanks are rivers. 2. All rivers are mountains. Conclusions: I. Some mountains are rivers. II. Some tanks are not mountains. III. Some mountains are tanks.
Four statements are given, followed by three conclusions numbered I, II and III. Assuming that the information given in the statements is true, even if it appears to be different than commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: 1. All dusts are natures. 2. No natures are rivers. 3. All waters are rivers. 4. Some liquids are waters. Conclusions: I. Some natures are waters. II. All natures are dusts. III. All rivers are liquids.