• Deductive Logic in general means to reach a certain logical conclusion from a general statement. The conclusion is usually derived from the stated premises. Solving such problem needs use of correct reasoning to determine a logical conclusion. The ability to logically examine the premises and determine the certain idea from a general statement helps build your reasoning abilities.
  • The process of solving the problem involves taking various assumptions depending on the plot of the situation. You may even think of solving such a problem thinking backwards. Even the use of tables and Venn diagrams can be sort to solve the problem. While the main objective of this test is to strengthen your knowledge and reasoning skill by solving some logical problems.
  • Make sure you have gone through the topic concepts before starting this test.

Deductive Logic:Test-2

Congratulations - you have completed Deductive Logic:Test-2.

You scored %%SCORE%% out of %%TOTAL%%.

Your performance has been rated as %%RATING%%


Your answers are highlighted below.
Question 1
Directions for the question: The question contains four arguments of three sentences each. Choose the set in which the third statement is a logically derived conclusion of the first two.
  A. All earthquakes cause havoc. Some landslides cause havoc. Some earthquakes are landslides.
B. All glass things are transparent. Some curios are glass things. Some curious are transparent.
C. All clay objects are brittle. All XY are clay objects. Some brittle are XY.
D. No criminal is a patriot. Ram is not a patriot. Ram is a criminal.
A
D only
B
B only
C
C and B
D
A only
Question 1 Explanation: 
C and B is the right choice. Statement A is invalid as it alone as four different terms. B is valid as some curios which are glass things are also transparent. And as all glass things are transparent, those curios that are glass things are definitely transparent. D is invalid as no valid conclusion can be drawn from the statements.
Question 2
Directions for the question: The question contains four arguments of three sentences each. Choose the set in which the third statement is a logically derived conclusion of the first two. A. MD is an actor. Some actors are pretty. MD is pretty. B. Some men are cops. All cops are brave. No brave is a man. C. All men are brave. Some men are cops. Some cops are brave. D. All actors are pretty. MD is not an actor. MD is not pretty.
A
D only
B
C only
C
A only
D
B and C
Question 2 Explanation: 
Here, option C is the only valid choice. Those 'some men', who are cops are also brave people. Statement A is invalid. MD not necessarily be among the actors who are pretty. Statement B is invalid as the third statement is not a logical conclusion of the other two. While statement D is also invalid as MD may still be pretty without being an actor.
Question 3
Directions for the question: The question contains four arguments of three sentences each. Choose the set in which the third statement is a logically derived conclusion of the first two. A. All IIMs are in India. No BIMs are in India. IIMs are not BIMs. B. All IIMs are in India. No BIMs are not in India. Some BIMs are IIMs. C. Some IIMs are in India. Some BIMs are not in India. Some BIMs are IIMs. D. Some IIMs are in India. BIMs are not in India. Some BIMs are IIMs.
A
A and B
B
C and D
C
A only
D
B only
Question 3 Explanation: 
Here, C and D are invalid as the 'some IIMs' and the 'some BIMs' need not necessarily have any relationship between them. Option A is the only right choice as it forms a valid conclusion.
Question 4
Directions for the question: The question contains four arguments of three sentences each. Choose the set in which the third statement is a logically derived conclusion of the first two. A. Citizens of Yes Islands speak only the truth. Citizens of Yes Islands are young people. Young people speak only the truth. B. Citizens of Yes Islands speak only the truth. Some Yes Islands are in Atlantic. Some citizens of Yes Islands are in the Atlantic. C. Citizens of Yes Islands speak only the truth. Some young people are citizens of Yes Islands. Some young people speak only the truth. D. Some people speak only the truth. Some citizens of Yes Islands speak only the truth. Some people who speak only the truth are citizens of Yes Islands.
A
A only
B
B only
C
C only
D
D only
Question 4 Explanation: 
Only C is the right choice as the 'some young people' who are citizens of Yes Island are also the people who speak only the truth. Statement A is invalid as no logical conclusion can be drawn from it. B is invalid as it has our different terms. D is invalid as some people need not have any relationship with the citizens of Yes Island.
Question 5
Directions for the question: The question contains four arguments of three sentences each. Choose the set in which the third statement is a logically derived conclusion of the first two. A. All mammals are viviparous. Some fish are viviparous. Some fish are mammals. B. All birds are oviparous. Some fish are not oviparous. Some fish are birds. C. No mammals is oviparous. Some creatures are oviparous and some are not. Some creatures are not mammals. D. Some creatures are mammals. Some creatures are viviparous. Some mammals are viviparous.
A
A only
B
B only
C
C only
D
D only
Question 5 Explanation: 
option C is the only right choice as it can rightly concluded that the some creatures that are oviparous cannot be mammals. A is invalid as some fish that are viviparous not necessarily be mammals. B is invalid as the conclusion that can be drawn is that some fish that are not oviparous are definitely not birds as well. D is invalid as some creatures that are viviparous and some which are mammals need not have any relationship between them.
Question 6
Directions for the question: The question contains four arguments of three sentences each. Choose the set in which the third statement is a logically derived conclusion of the first two. A. Many singers are not writers. All poets are singers. Some poets are writers. B. Giants climb beanstalks. Some chicken do not climb beanstalks. Some chicken are not giants. C. All explorers live in snowdrifts. Some penguins live in snowdrifts. Some penguins are explorers. D. Amar is taller than Akbar. Anthony is shorter than Amar. Akbar is shorter than Anthony.
A
A only
B
B only
C
B and C
D
D only
Question 6 Explanation: 
B only is the valid choice as the some children that do not climb beans stalks cannot be giants. A is invalid as no definite relationship can be established between poets and writers. C is invalid as the some penguins that live in snowdrifts need not be explorers. D is invalid as Amar is tallest among the three, but the heights of the other two cannot be compared.
Question 7
Directions for the question: The question contains four arguments of three sentences each. Choose the set in which the third statement is a logically derived conclusion of the first two. A. A few farmers are rocket scientists. Some rocket scientists catch snakes. A few farmers catch snakes. B. Poonam is a kangaroo. Some kangaroos are made of teak. Poonam is made of teak. C. No bulls eat grass. All matadors eat grass. No matadors are bulls. D. Some skunks drive Cadillaes. All skunks are polar bears. Some polar bears drive Cadillacs.
A
B only
B
A and C
C
C only
D
C and D
Question 7 Explanation: 
C and D is the correct choice. C is valid as no matadors can be bulls beacause the former eat grass while the latter do not and D is valid because the some polar bears are in effect the some skunks that drive Cadillacs. A is invalid as the some farmers who are rocket scientists an the some rocket scientists who can catch snakes do not necessarily have any relationship between them. B is invalid as Poonam need not be among the some kangaroos that are made of teak.
Question 8
Directions for the question: The question contains four arguments of three sentences each. Choose the set in which the third statement is a logically derived conclusion of the first two. A. Some Xs are Ps. Some Ps are Ys. Some Xs are Ys. B. All Sonas are bright. Some bright are crazy. Some Sonas are crazy. C. No faith is strong. Only strong have biceps. No faith has biceps. D. All men are weak. Some weak are strong. Something are weak.
A
A and D
B
C only
C
D only
D
None of these
Question 8 Explanation: 
If only strong have biceps and no faith is strong, it means that no faith has biceps. In option A, X and Y do not overlap and same is the case with Sona and crazy. Option D does not have any logical conclusion. Hence, we select the option (Option B) which mentions C as the correct answer.
Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results
There are 8 questions to complete.
List
Return
Shaded items are complete.
12345
678End
Return