Mock Paper for SBI PO, Clerk, SO and IBPS Examinations : Reasoning (Logical Reasoning)

Directions (1-5): Do as directed in each of the following questions.

According to Albert Einstein's famous theory of relativity, time travel is theoretically possible. Assuming that time travel were to be made possible through some technological breakthrough, it would be advantageous to send someone back in time to prevent the assassination of Archduke Franz Ferdinand in 1914 and thus keep World War I from ever occurring.

Which of the following assumptions can be deduced from above argument?

The airlines have requested all their passengers to check the status of flight operations before leaving their homes as heavy fog is causing immense problems to normal flight operations.

Which of the following assumption(s) is/are implicit in the above statement?

In the film Jurassic Park, scientists create live dinosaurs by replicating dinosaur DNA found inside an insect that had bitten a dinosaur and was then trapped in amber. Although such a feat has not yet been accomplished, one day modern science will probably succeed in recreating prehistoric creatures in a similar manner.

All of the following assumptions underlie the conclusion of the passage above EXCEPT

4) A large number of people die every year due to drinking polluted water during the summer. Which of the following can be an effective step to solve the above problem?

A. The government should make adequate arrangements to provide safe drinking water to all its citizens.

B. People should consume minimal amount of water during summers.

C. The people should be educated about the dangers of drinking polluted water.

5) In March 1917, under pressure from communist revolutionaries, Tsar Nicholas II of Russia abdicated his throne. Sixteen months later, the Tsar and his immediate family, including Alexis, the heir apparent, were executed on orders of the new communist government because its leaders believed that all vestiges of the old regime had to be obliterated for the security of the new regime.

The leaders of the new communist government must have made which of the following assumptions?

Directions (6–7): These questions are based on statement given below and the sentences labeled (A), (B), (C) and (D) as given below.

The cases of food poisoning due to consumption of liquor in rural areas are far greater than such cases in urban areas. Hence it can be concluded that the liquor supplied in rural areas is of low quality than that supplied in urban areas.

These questions are based on statement given below and the sentences labeled (A), (B), (C) and (D) as given below.

The cases of food poisoning due to consumption of liquor in rural areas are far greater than such cases in urban areas. Hence it can be concluded that the liquor supplied in rural areas is of low quality than that supplied in urban areas.

Which of the above statements numbered (B), (C) and (D) if true will most weaken the given argument?

These questions are based on statement given below and the sentences labeled (A), (B), (C) and (D) as given below.

The cases of food poisoning due to consumption of liquor in rural areas are far greater than such cases in urban areas. Hence it can be concluded that the liquor supplied in rural areas is of low quality than that supplied in urban areas.

Which of the above statements numbered (A), (B), (C) and (D) if true will strengthen the given argument?

Directions: (9 - 10): These questions are based on statement given below and the sentences labeled (A), (B), (C) and (D) as given below.

The number of people diagnosed with dengue fever (which is contracted from the bite of an infected mosquito) in North India this year is twice the number diagnosed last year. The authorities have concluded that measures to control the mosquito population have failed in this region.

(A) An effective diagnostic test was introduced about nine months ago.

(B) The incidence (number of cases per thousand) of malaria, also contracted from mosquito bites, has increased.

(C) A very high proportion of the cases were diagnosed in people of neighboring country.

(D) More cases are now reported because of increases in administrative efficiency.

Which of the above statements numbered (A), (B), (C) and (D) if true will weaken the given argument?

Directions: (9 - 10): These questions are based on statement given below and the sentences labeled (A), (B), (C) and (D) as given below.

The number of people diagnosed with dengue fever (which is contracted from the bite of an infected mosquito) in North India this year is twice the number diagnosed last year. The authorities have concluded that measures to control the mosquito population have failed in this region.

(A) An effective diagnostic test was introduced about nine months ago.

(B) The incidence (number of cases per thousand) of malaria, also contracted from mosquito bites, has increased.

(C) A very high proportion of the cases were diagnosed in people of neighboring country.

(D) More cases are now reported because of increases in administrative efficiency.

Which of the above statements numbered (A), (B), (C) and (D) if true will most supports the given argument?