03 March 2023 – Morning Shift – UGC NET Paper-1

Total Questions: 50

21. A Piece of work can be done by 3 boys and 2 men jointly in 10 days. The same work can be done jointly by 2 boys and 3 men in 8 days. In how many days the same work can be done by 1 boy and 2 men jointly?

Correct Answer: (2) 12.5

22. After increasing the selling price of an article by 25%, the new price of the article becomes Rs. 250. Now a discount of 25% is offered on the new price. What would be the profit or loss in percentage on the original price.

Correct Answer: (2) Loss of 6.25%

23. If S is an even integer, then which of the following are true?

A. S + 1 will be odd
B. 2S - 1 will be odd
C. S² + 1 will be odd
D. S² - 1 will be odd
E. S² + 2 will be odd

Choose the correct answer from the options given below:

Correct Answer: (3) A, B, C and D Only

24. If A = 2, Z = 52 and CAT = 48 and BAT 46. Then what will be the value of RAT + MAT ?

Correct Answer: (2) 146

25. A takes twice as much time as B takes and thrice as much as C to complete a job. By working together A, B and C can complete the job in 4 hours. Find the time taken by each of them separately to complete the job. i.e. the time taken by A, B, and C respectively to complete the job.

Correct Answer: (1) (24, 12, 8)

26. "The death penalty in certain western countries has led to increase in crime rate leading to greater number of inmates in their prisons. Therefore, death penalty is not justifiable". Which fallacy is committed in the above argument?

Correct Answer: (1) False Cause

27. If the statement - "All plants are green organisms" is given as false, then which of the following statements could be immediately inferred to be true?

A. No plants are green organisms
B. Some green organisms are plants
C. Some plants are green organisms
D. Some plants are not green organisms.

Choose the correct answer from the options given below:

Correct Answer: (4) D Only

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

A. All fungi are living beings
B. No fungi are living beings
C. Some fungi are living beings
D. Some fungi are not living beings

Choose the correct answer from the options given below :

Correct Answer: (3) A and B Only

29. Which of the following statements are logically equivalent ?

A. No amphibians are mammals.
B. All non-mammals are non-amphibians.
C. All amphibians are non-mammals.
D. No mammals are amphibians.

Choose the correct answer from the options given below:

Correct Answer: (2) A, C and D Only

30. According to the classical Indian School of logic (Nyaya) in the process of inference (anumana), the reasoning proceeds from:

Correct Answer: (4) Particulars to particulars through the universal