04 December 2021- Evening Shift- UGC NET Paper 1

 

 

Total Questions: 50

21. Consider following statements:

A. If a pipe can fill a tank in x hours. the part filled in 1 hour is 1/1+X
B. If a pipe can empty a full tank in y hours, the part emptied in 1 hour is 1/y
C. If a pipe can fill a tank in x hours and another pipe can empty the full tank in y hours (where y > x), then an opening both the pipes, the net part filled in 1 hour = 1/x - 1/y
Choose the correct statements from above:

Correct Answer: (C) B and C only

22. A mixture contains water and milk in the ratio 1: 5. On adding 5 litres of water, the ratio of milk to water becomes 5: 2. The quantity of milk in the original mixture is:

Correct Answer: (B) 25 litres

23. If a sum of money at simple interest doubles in 6 years, it will become 4 times in

Correct Answer: (C) 18 years

24. The H.C.F. of two numbers is 12 and their difference is 12. The numbers are

Correct Answer: (A) 96, 84

25. Given below are two statements:

Statement I: The multiplication or division of each term of a ratio by a same non-zero number affects the ratio.
Statement II: We say that a is inversely proportional to b if a = k/b for some constant k.
In the light of the above statements, choose the correct answer from the options given below:

Correct Answer: (D) Statement I is false but Statement II is true

26. "No one has ever been able to prove the existence of extra sensory perception. We must therefore conclude that extra-sensory perception is a myth". Which one of the following fallacy is committed in the above statement?

Correct Answer: (B) Appeal to Ignorance

27. Which of the following types of inference is used when one infers rainfall on the hills from floods?

Correct Answer: (B) Śeşavata

28. Given below are two statements:

Statement I: The formal fallacies of Aristotle are based on the violations of the formal structure of the whole syllogism.
Statement II: Fallacies given by the Naiyāyikas rest on the violations of the formal conditions of the valid middle term or reason.
In the light of the above statements. choose the most appropriate answer from the options given below:

Correct Answer: (A) Both Statement I and Statement II are correct

29. Which among the following type of relations are considered by Nyfiva system as necessary relation between middle and major terms?

A. Species - species relation
B. The causal relation
C. Member - class relation
D. Species - genus relation
Choose the correct answer from the options given below:

Correct Answer: (D) B, C and D only

30. This barrel contains 100 apples

Three apples selected at random were found to be ripe. Therefore probably all 100 apples are ripe. Which type of argument is exemplified in the above set of statements?

Correct Answer: (A) Inductive