31.If we want to seek new knowledge of facts about the world. we must rely on reason of the type
Inductive
Deductive
Demonstrative
Physiologial

32.A deductive argument is invalid if
Its premises and conclusions are all false
Its premises are true but its conclusion is false
Its premises are false but its conclusion is true
Its premises and conclusions are all true

33.Inductive reasoning is grounded on
Integrity of nature
Unity of nature
Uniformity of nature
Harmony of nature

34.Among the following statements two are contradictory to each other. Select the correct code that represents them:
Statements
(a) All poets are philosophers
(b) Some poets are philosophers
(c) Some poets are not philosophers.
(d) No philosopher is a poet.
Codes
(a) and (b)
(a) and (d)
(a) and (c)
(b) and (c)

35.Which of the codes given below contains only the correct statements ? Select the code:
Statements
(a) Venn diagram represents the arguments graphically.
(b) Venn diagram can enhance our understanding.
(c) Venn diagram may be called valid or invalid.
(d) Venn diagram is clear method of notation.
(a), (b) and (c)
(a), (b) and (d)
(b), (c) and (d)
(a), (c) and (d)

36.When the purpose of a definition is to explain the use or to eliminate ambiguity the definition is called
Stipulative
Theoretical
lexical
Persuasive

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Question numbers 37 to 42 are based on the tabulated data given below:
A company has 20 employees with their age (in years) and salary (in thousand rupees per month) mentioned against each of them:

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37.Classify the data of age of each employee in class interval of 5 years. Which class interval of 5 years has the maximum average salary
35-40 years
40-45 years
45-50 years
50-55years

38.What is the frequency(%) in the class interval of 30-35 years?
20%
25%
30%
35%

39.What is the average age of the employees?
40.3 years
38.6 years
47.2 years
45.3 years

40.What is the fraction (%) of employees getting salary greater than > 40,000 per month?
45%
50%
35%
32%

41.What is the average salary (in thousand per month) in the age group 40-50 years?
35
42.5
40.5
36.5

42.What is the fraction of employees getting salary less than the average salary of all the employees
45%
50%
55%
47%