Bissoy.com
Doctors Medicines MCQs Q&A

Read the given statements and conclusions carefully. 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 given conclusions logically follow from the statements. Statements: 1. All parakeets are cuckoos. 2. All cuckoos are rabbits. 3. All rabbits are snakes. Conclusions: I. All parakeets are snakes. II. All snakes are cuckoos. III. All rabbits are parakeets. IV. All cuckoos are snakes.

Read the given statements and conclusions carefully. 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 given conclusions logically follow from the statements. Statements: 1. All parakeets are cuckoos. 2. All cuckoos are rabbits. 3. All rabbits are snakes. Conclusions: I. All parakeets are snakes. II. All snakes are cuckoos. III. All rabbits are parakeets. IV. All cuckoos are snakes. Correct Answer Only conclusions I and IV follow.

The least possible Venn diagram is as follows:

[ alt="F1 A.M 14.4.20 Pallavi D3" src="//storage.googleapis.com/tb-img/production/20/05/F1_A.M_14.4.20_Pallavi_D3.png" style="width: 215px; height: 154px;">

I. All parakeets are snakes. → True (All parakeets are cuckoos, All cuckoos are rabbits and, All rabbits are snakes.)

II. All snakes are cuckoos. → False(it is possible but not definite)

III. All rabbits are parakeets. → False (it is possible but not definite)

IV. All cuckoos are snakes. → True(All cuckoos are rabbits and All rabbits are snakes.)

Hence, Only conclusions I and IV follow. 

Related Questions

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:  1. All boats are cats. 2. All cats are bats. 3. All bats are rabbits. Conclusions:  I. All cats are rabbits. II. All bats are boats. III. All boats are rabbits.
Read the given statements and conclusions carefully. 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 given conclusions logically follow(s) from the statements. Statements : All snakes are crocodiles. All crocodiles are turtles All birds are crocodiles. Conclusions :  I. All snake are turtles. II. All birds are turtles. III. Some snakes are birds.
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
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.
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.
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.
Read the given statements and conclusions carefully. 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 given conclusions logically follow(s) from the statements. Only conclusions I and II follow. Statements: Some species are fishes. All fishes are frogs. No frog is a turtle. Conclusions: I. Some frogs are fishes. II. Some species are frogs. III. Some fishes are turtles. 
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: All rabbits are animals. Some dogs are not rabbits. Conclusions: I. Some dogs are rabbits. II. No dog is animal.
Read the given statements and conclusions carefully. 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 given conclusions logically follow(s) from the statements. Statements: 1. All lions are dogs. 2. All tigers are cats. 3. All cats are snakes. 4. Some horses are dogs. Conclusions: I. Some horses are cats. II. Some cats are lions.
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: Some rabbits are ducks. Some ducks are dogs. No dog is a horse. Conclusions: I. No horse is a duck. II. No dog is a rabbit. III. Some ducks are rabbits.