Mental Ability, Analytical and Logical Reasoning (UPSC) Part-III

Total Questions: 50

1. Which lecture is the last one in the week? [2012-II]

(a) History
(b) English
(c) Mathematics
(d) Economics

Correct Answer: (c) Mathematics

Solution:

Subjects	Monday	Tuesday	Wednesday	Thursday	Friday
Economics		✘		✓
History		✓
Statistics	✓
English			✓
Mathematics					✓

2. Which lecture is scheduled on Wednesday? [2012-II]

(a) Statistics
(b) Economics
(c) English
(d) History

Correct Answer: (c) English

Solution:

Subjects	Monday	Tuesday	Wednesday	Thursday	Friday
Economics		✘		✓
History		✓
Statistics	✓
English			✓
Mathematics					✓

3. Which lecture is scheduled before the Mathematics lecture? [2012-II]

(a) Economics
(b) History
(c) Statistics
(d) English

Correct Answer: (a) Economics

Solution:

Subjects	Monday	Tuesday	Wednesday	Thursday	Friday
Economics		✘		✓
History		✓
Statistics	✓
English			✓
Mathematics					✓

4. Consider the following statements: [2012-II]

1. All machines consume energy.

2. Electricity provides energy.

3. Electrically operated machines are cheap to maintain.

4. Electrically operated machines do not cause pollution.

Which one of the following inferences can be drawn from the above statements?

(a) All machines are run by electric energy.
(b) There is no form of energy other than electricity.
(c) Most machines are operated on electric energy.
(d) Electrically operated machines are preferable to use.

Correct Answer: (d) Electrically operated machines are preferable to use.

5. Examine the following statements: [2012-II]

1. None but the rich can afford air-travel.

2. Some of those who travel by air become sick.

3. Some of those who become sick require treatment.

Which one of the following conclusions can be drawn from the above statements?

(a) All the rich persons travel by air.
(b) Those who travel by air become sick.
(c) All the rich persons become sick.
(d) All those who travel by air are rich.

Correct Answer: (d) All those who travel by air are rich.

6. In five flats, one above the other, live five professionals. The professor has to go up to meet his IAS officer friend. The doctor is equally friendly to all, and has to go up as frequently as go down. The engineer has to go up to meet his MLA friend above whose flat lives the professor's friend. From the ground floor to the top floor, in what order do the five professionals live? [2012-II]

(a) Engineer, Professor, Doctor, IAS officer, MLA
(b) Professor, Engineer, Doctor, IAS officer, MLA
(c) IAS officer, Engineer, Doctor, Professor, MLA
(d) Professor, Engineer, Doctor, MLA, IAS officer

Correct Answer: (d) Professor, Engineer, Doctor, MLA, IAS officer

Solution:

Professionals	Flats
IAS	5th
MLA	4th
Doctor	3rd
Engineer	2nd
Professor	1st

7. Examine the following statements: [2012-II]

1. Rama scored more than Rani

2. Rani scored less than Ratna

3. Ratna scored more than Rama

4. Padma scored more than Rama but less than Ratna.

Who scored the highest?

(a) Rama
(b) Padma
(c) Rani
(d) Ratna

Correct Answer: (d) Ratna

Solution:Ratna > Padma > Rama > Rani
So, Ratna scored the highest marks.

8. Consider the following figures 1, 2, 3 and 4: [2013-II]

In the figures from 1 to 4 above, two symbols are shown to change their position in a regular direction. Following the same sequence, which one of the following will appear at the fifth stage?

Correct Answer: (b)

Solution:Below is the pattern followed by symbols.

9. Problem figures: [2013-II]

Answer figures:

Correct Answer: (c)

Solution:In each step arrow symbol is inverting 180° and cross circle ⊗ symbol in each step touches one vertex of triangle in clockwise direction.

10. Problem figures: [2013-II]

Answer figures:

Correct Answer: (b)

Solution:From figure (1) to (2), 2nd and 3rd design makes a pair and comes forward while 1st design gets 180° inverted.

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Mental Ability, Analytical and Logical Reasoning (UPSC) Part-III

1. Which lecture is the last one in the week? [2012-II]

2. Which lecture is scheduled on Wednesday? [2012-II]

3. Which lecture is scheduled before the Mathematics lecture? [2012-II]

4. Consider the following statements: [2012-II]

5. Examine the following statements: [2012-II]

7. Examine the following statements: [2012-II]

8. Consider the following figures 1, 2, 3 and 4: [2013-II]

9. Problem figures: [2013-II]

10. Problem figures: [2013-II]

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