16 June 2023 – Evening Shift – UGC NET Paper-1

Total Questions: 50

21. A man X, can 1/3 complete of a job in 2/5 days and another man Y can complete of the job in 10 days. In how many days both X & Y together can complete the job?

Correct Answer: (1) 9 ⅜

22. Five years ago the average age of 4 persons A, B, C and D was 45 years. If another person E is included in the group, then the present average age of all the five persons becomes 49 years. What is the present age of E?

Correct Answer: 45 years

23. Find the number that can replace question mark (?) in the series given below -

-1, 0, 3, 8, 15, 24 ?

Correct Answer: (1) 35

24. A student walks 1 km in the east direction, then turns to the south and walks 5 km. Thereafter, he turns to east and walks 2 km and again turns to north and walks for 9 km. How far is the student from his starting point?

Correct Answer: (1) 5 km

25. In a certain coding language

a. 'MANGO' is coded as 4
b. 'BANANA' is coded as 5
c. 'PEAR' is coded as 3

How 'MUSKMELON' shall be coded in that language?

Correct Answer: (2) 8

26. Which of the following statements are so related that if one of them is true, the other must be false, even though both of them can be false?

A. Some adults are far-sighted
B. No adults are far-sighted
C. All adults are far-sighted
D. Some adults are not far-sighted

Choose the correct answer from the options given below:

Correct Answer: (4) B and C only

27. If the statement-"Some trucks are polluting vehicles", is given as true, which of the following statements could be immediately inferred to be false?

A. All trucks are polluting vehicles
B. Some trucks are non-polluting vehicles
C. Some trucks are not polluting vehicles
D. No trucks are polluting vehicles

Choose the correct answer from the options given below:

Correct Answer: (3) D only

28. Which of the following statements is equivalent to the following statement- "All philosophers are non-conservatives?"

Correct Answer: (2) No philosophers are conservatives.

29. "No one has shown that Mars was not created by the Aliens. Therefore, Mars is actually created by the Aliens". Which fallacy is involved in the above statement?

Correct Answer: (3) Appeal to Ignorance

30. Given below are two statements:

Statement I: Aristotelian logic is verbalistic.
Statement II: For the classical Indian school of logic (nyaya) verbal form is not the essence of inference and is required only to convince others.

In the 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.