04 March 2023 – Evening Shift – UGC NET Paper-1

Total Questions: 50

21. Two lots of oranges with equal quantity, one costing 20 per dozen and the other costing 30 per dozen, are mixed together and the whole lot is sold at 24 per dozen. Find the profit or loss in percentage?

Correct Answer: (2) 4% loss

22. If 5th term of an Arithmetic progression (AP) series is 16 and 9th term is 22, then find the seventh (7th) term of the series.

Correct Answer: (3) 19

23. The average of a group of 20 numbers is 30 and that of another group of 30 numbers is 50. What is the average of all the numbers in both the groups?

Correct Answer: (4) 42

24. The price of an article A increases by ₹ 40 every year while the price of article B increases by ₹ 15 every year. If in 2015, the price of the article A was ₹ 420 and that of article B was ₹ 630, then in which year the article A will cost 40 more than article B?

Correct Answer: (3) 2025

25. In a certain coded language,

A. 'tao la eto' means 'truth is eternal'
B. 'mitao la nota eto' means 'enmity is not eternal'
C. 'tao duo nota pisho' means 'truth does not perish'

Which of the following means 'enmity' in that language?

Correct Answer: (4) mitao

26. "Number 3 is a prime number, so are numbers 5 and 7. Therefore, it is clear that all odd numbers are prime numbers." Which fallacy is committed in the above argument?

Correct Answer: (3) Hasty Generalisation

27. If the statement 'all cricketers are rich persons' is given as false which of the following statement(s) remain(s) undetermined?

A. Some cricketers are not rich persons.
B. No cricketers are rich persons.
C. Some cricketers are rich persons.

Choose the correct answer from the options given below:

Correct Answer: (4) B and C only

28. Which of the following propostions are so related that they cannot both be false, although they may both be true?

A. All cricketers are cheerful persons.
B. No cricketers are cheerful persons.
C. Some cricketers are not cheerful persons.
D. Some cricketers are cheerful persons.

Choose the correct answer from the options given below:

Correct Answer: (4) C and D only

29. Which of the following statements are logically equivalent?

A. Some cats are aggressive animals.
B. Some aggressive animals are cats.
C. Some cats are not non-aggressive animals.
D. All cats are aggressive animals.

Choose the correct answer from the options given below:

Correct Answer: (4) A, B and C only

30. Given below are two statements:

Statement I: Classical Indian Logicians (Naiyāyikas) give a psychological account of Inferential cognition.
Statement II: According to Naiyāyikas the logical structure of inference represents not how we ought to infer, but how, as a matter fact, we do infer.

In light of the above statements, choose the correct answer from the options given below:

Correct Answer: (1) Both Statement I and Statement II are true.