Logical Reasoning: Syllogism Practice Paper

February 25, 2021

1413

Practice paper on syllogism

QUESTIONNAIRE – 1

Directions for Questions 1 to 10: Each question consists of five statements followed by options consisting of three statements put together in a specific order; choose the option which indicates a valid agreement, that is, where the third statement is a conclusion drawn from the preceding two statements

Example

All burgers are hazardous to health
Brand X is a burger
Brand X is hazardous to health

ABC is a valid option where statement C can be concluded from statements A and B

(A) All software companies employ knowledge workers
(B) Vistara tech employs knowledge workers
(C) Vistara tech is a software company
(D) Some software companies employ knowledge workers
(E) Vistara tech employs only knowledge workers

(a) ABC
(b) ACB
(c) CDB
(d) ACE

(A) Traffic congestion increases carbon monoxide in the environment
(B) Increase in carbon monoxide is hazardous to health
(C) Traffic congestion is hazardous to health
(D) Some traffic congestion does not cause increased carbon monoxide
(E) Some traffic congestion is not hazardous to health

(a) CBA
(b) BDE
(c) CDE
(d) BAC

(A) mangoes are not sweets
(B) Some mangoes are sweet
(C) Some mangoes are tasty
(D) Some mangoes are not tasty
(E) No mango is tasty

(a)CEA
(b) BDC
(c) CBD
(d) EAC

(A) Some towns in Westeros are polluted
(B) All polluted towns should be destroyed
(C) Town Winterfell should be destroyed
(D) Town Winterfell is polluted
(E) Some towns in Westeros should be destroyed

(a) BDE
(b) BAE
(c) ADE
(d) CDB

No patriot is a criminal
Shamsher shah is not a criminal
Shamsher shah is a patriot
Shamsher shah is not a patriot
Shamsher shah is a criminal

(a) ACB
(b) ABC
(c) ADE
(d) ABE

(A) Anteaters like ants
(B) Boys are anteaters
(C) Ramesh is an anteater
(D) Ramesh likes ants
(E) Ramesh may eat ants

(a) DCA
(b) ADC
(c) ABE
(d) ACD

(A) All actors are handsome
(B) Some actors are popular
(C) Ram is handsome
(D) Ram is a popular actor
(E) Some popular people are handsome

(a) ACD
(b) ABE
(c) DCA
(d) EDC

(A) Modern industry is technology-driven
(B) TESLA is a modern industry
(C) TESLA is a technology driver
(D) Technology driven industry is modern

(a) ABC
(b) ABD
(c) BCA
(d) EBC

(A) All islanders are blue coloured people
(B) Some smart people are not blue coloured people
(C) Some babies are blue coloured
(D) Some babies are smart
(E) Some smart people are not islanders

(a) BCD
(b) ABE
(c) CBD
(d) None of the above

(A) MBAs are in great demand
(B) Shahrukh and Gauri are in Great demand
(C) Shahrukh is in great demand
(D) Gauri is in great demand
(D) Shahrukh and Gauri are MBAs

(a) ABE
(b) ECD
(c) AEB
(d) EBA

ANSWER KEY

Statement A says that “All software companies employ knowledge workers” and statements C says “Vistara tech is a software company”. Hence we can conclude statement B says Vistara Tech employs knowledge workers. Hence Answer in (b)
Statement B says the increase in Carbon Monoxide is hazardous to health and statement A says Traffic congestion increases carbon monoxide in the environment. Hence we can conclude C that traffic congestion is hazardous to health. Hence answer is (d)