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

Total Questions: 50

21. With reference to the above information, which one among the following statements must be true? [2017-II]

No supporters of 'party X' who knew Z and supported his campaign strategy, agreed for the alliance with 'party Y' but some of them had friends in 'party Y'

(a) Some supporters of 'party Y' did not agree for the alliance with the 'party X'
(b) There is at least one supporter of 'party Y' who knew some supporters of 'party X' as a friend.
(c) No supporters of 'party X' supported Z's campaign strategy.
(d) No supporters of 'party X' knew Z.

Correct Answer: (b) There is at least one supporter of 'party Y' who knew some supporters of 'party X' as a friend.
Note:

The line " but some of them had Friends in party Y" clearly indicates statement (b) is correct. Best answer is (b)

22. With reference to the above information, consider the following statements: [2017-II]

No supporters of 'party X' who knew Z and supported his campaign strategy, agreed for the alliance with 'party Y' but some of them had friends in 'party Y'

1. Some supporters of 'party X' knew Z.

2. Some supporters of 'party X', who opposed Z's campaign strategy, knew Z.

3. No supporters of 'party X' supported Z's campaign strategy.

Which of the statements given above is/are not correct?

(a) 1 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3

Correct Answer: (c) 3 only
Note:

Statement 1 is correct. Statement 2 is correct, there are some people who opposed Z's campaign strategy knew Z. Hence the best answer is option (c).

23. If second and fourth Saturdays and all the Sundays are taken as only holidays for an office, what would be the minimum number of possible working days of any month of any year? [2017-II]

(a) 23
(b) 22
(c) 21
(d) 20

Correct Answer: (b) 22
Note:

Minimum Number of working days in any month = 28 days (Febrarury)

If the month begins on sunday then

1st, 8th, 15th, and 22nd are Sundays. While 14th and 28th days are 2nd and Fourth Saturday. Hence,

28 - (2+4) = 22 working days.

24. Four tests-Physics, Chemistry, Mathematics and Biology are to be conducted on four consecutive days, not necessarily in the same order. The Physics test is held before the test which is conducted after Biology. Chemistry is conducted exactly after two tests are held. Which is the last test held? [2017-II]

(a) Physics
(b) Physics
(c) Mathematics
(d) Chemistry

Correct Answer: (c) Mathematics
Note:

Given information can be represented as:-

Subject	Biology	Physics	Chemistry	Mathematics
Day	I	II	III	IV

25. The sum of income of A and B is more than that of C and D taken together. The sum of income of A and C is the same as that of B and D taken together. Moreover, A earns half as much as the sum of the income of B and D. Whose income is the highest? [2017-II]

(a) A
(b) B
(c) C
(d) D

Correct Answer: (b) B
Note:

According to question,

A + B > C + D ....(i)

A + C = B + D .....(ii)

So, A = (B + D)/2 C = (B + D)/2 or A = C ...(iii)
From equation (i) and (iii)
B > D
From equation (i), (ii), (iii) and (iv)
B > A = C > D
So, B'income is the highest.

26. Consider the following: [2017-II]

Statement:

Good voice is a natural gift but one has to keep practising to improve and excel well in the field of music.

Conclusions:

I. Natural gifts need nurturing and care.

II. Even though one's voice is not good, one can keep practising.

Which one of the following is correct in respect of the above statement and conclusions?

(a) Only conclusion I follows from the statement.
(b) Only conclusion II follows from the statement.
(c) Either conclusion I or conclusion II follows from the statement.
(d) Neither conclusion I nor conclusion II follows from the statement.

Correct Answer: (a) Only conclusion I follows from the statement.
Note:

Let us apply basic logic. Conclusion I definitely. Follows as that is the main assertion given. Conclusion II is incorrect, as it says "Even though one's voice is not good, one can keep practicing". It is an assumption. Hence best answer is (a).

27. "Rights are certain advantageous conditions of social well-being indispensable to the true development of the citizen." In the light of this statement, which one of the following is the correct understanding of rights? [2017-II]

(a) Rights aim at individual good only.
(b) Rights aim at social good only.
(c) Rights aim at both individual and social good.
(d) Rights aim at individual good devoid of social well-being.

Correct Answer: (c) Rights aim at both individual and social good.
Note:

Except (c) other options are absurd.

28. 15 students failed in a class of 52. After removing the names of failed students, a merit order list has been prepared in which the position of Ramesh is 22nd from the top. What is his position from the bottom? [2017-II]

(a) 18th
(b) 17th
(c) 16th
(d) 15th

Correct Answer: (c) 16th
Note:

Total number of students after removing the names of failed students=52-15-37

Position of Ramesh from top = 22nd

So, Position of Ramesh from bottom = (37 + 1 - 22) = 16th

29. Consider the following: [2017-II]

A+ B means A is the son of B.

A-B means A is the wife of B.

What does the expression P+R-Q mean?

(a) Q is the son of P.
(b) Q is the wife of P.
(c) Q is the father of P.
(d) None of the above

Correct Answer: (c) Q is the father of P.
Note:

P + R = Q

30. In a group of six women, there are four tennis players, four postgraduates in Sociology, one postgraduate in Commerce and three bank employees. Vimala and Kamla are the bank employees while Amala and Komala are unemployed. Komala and Nirmala are among the tennis players. Amala, Kamla, Komala and Nirmala are postgraduates in Sociology of whom two are bank employees. If Shyamala is a postgraduate in Commerce, who among the following is both a tennis player and a bank employee? [2017-II]

(a) Amala
(b) Komala
(c) Nirmala
(d) Shyamala

Correct Answer: (c) Nirmala
Note:

Name	Bank Employee	Tennis Player	PG in Commerce	PG in Sociology	Unemployed
Vimla	✓
Kamla	✓			✓
Amala				✓	✓
Komala		✓		✓	✓
Nirmala	✓	✓		✓
Shymala			✓

Hence, Nirmala is both a tennis player and a bank employee.

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