UGC NET Previous Year Question June 2018 For Logical & Mathematical Reasoning

Logical & Mathematical Reasoning are  important section in UGC NET Exam 2020.  UGC NET is an entrance exam for the selection of deserving candidates for the posts of Assistant Professor and Junior Research Fellowship (JRF).

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 Highlights :

Here we are going to provide you quizzes related to UGC NET syllabus which contains mainly flowing topics i.e. Reasoning (including Maths), Logical Reasoning, Data Interpretation

UGC NET Previous Year Question Paper: PDF Download With Answer

Today Quiz : UGC NET Previous Yr Quiz June 2018

Q1. The next term in the series −1, 5, 15, 29, ? , … is:
(a) 36
(b) 47
(c) 59
(d) 63

Q2. The next term in the series ABD, DGK, HMS, MTB, SBL, ? , … is:

(a) ZKU
(b) ZCA
(c) ZKW
(d) KZU

Q3. If VARANASI is coded as WCUESGZQ, then the code of KOLKATA will be:

(a) LOQOZEH
(b) HLZEOOQ
(c) ZELHOQO
(d) LQOOFZH

Q4. Introducing Rakesh to her husband a woman said, “His brother’s father is the only son of my grandfather”. The woman is related to Rakesh as:

(a) Aunt
(b) Mother
(c) Sister
(d) Daughter

Q5. Two numbers are in the ratio 2 : 5. If 16 is added to both the numbers, their ratio becomes 1 : 2. The numbers are:

(a) 16, 40
(b) 20, 50
(c) 28, 70
(d) 32, 80

Q6. Superiority of intellect depends upon its power of concentration on one theme in the same way as a concave mirror collects all the rays that strike upon it into one point. What type of reasoning is entailed in the above statement?

(a) Mathematical
(b) Psychological
(c) Analogical
(d) Deductive

Q7. Given below are two premises (A and B). Four conclusions are drawn from them. Select the code that states validly drawn conclusion(s) (taking the premises individually or jointly).

Premises:
(A) Most of the dancers are physically fit.
(B) Most of the singers are dancers.
Conclusions:
(i) Most of the singers are physically fit.
(ii) Most of the dancers are singers.
(iii) Most of the physically fit persons are dancers.
(iv) Most of the physically fit persons are singers.
Code:
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (iv) and (i)

Q8. Which one among the following is a presupposition in inductive reasoning?

(a) Law of identity
(b) Unchangeability in nature
(c) Harmony in nature
(d) Uniformity of nature

Q9. If the proposition ‘domestic animals are hardly ferocious’ is taken to be false, which of the following proposition/propositions can be claimed to be certainly true? Select the correct Code:

Propositions:

(i) All domestic animals are ferocious.

(ii) Most of the domestic animals are ferocious.

(iii) No domestic animal is ferocious.

(iv) Some domestic animals are non-ferocious.

Code:
(a) (i) and (ii)
(b) (i) only
(c) (iii) and (iv)
(d) (ii) only

Q10. Which one of the following statements is not correct in the context of Venn diagram method?

(a) It is a method of testing the validity of arguments.
(b) It represents both the premises of a syllogism in one diagram.
(c) It requires two overlapping circles for the two premises of a standard-form categorical syllogism.
(d) It can be used to represent classes as well as propositions.

The table below embodies data on the production, exports and per capita consumption of rice in country P for the five years from 2012 to 2016. Answer questions 11 – 15 based on the data contained in the table.

Where, Per Capita Consumption = (Consumption in million kg) ÷ (Population in million) and consumption (in million kg) = Production – Exports.

Q11. The percentage increase in the consumption of rice over the previous year was the highest in which year?

(a) 2013
(b) 2014
(c) 2015
(d) 2016

Q12. What is the population of the country in the year 2014 (in million)?

(a) 2.64
(b) 2.72
(c) 2.79
(d) 2.85

Q13. The ratio of exports to consumption in the given period was the highest in the year:

(a) 2012
(b) 2013
(c) 2014
(d) 2015
Q14. In which year, the population of country was the highest?
(a) 2013
(b) 2014
(c) 2015
(d) 2016

Q15. What is the average consumption of rice (in million kg) over the years 2012-2016?

(a) 104
(b) 102.1
(c) 108
(d) 100.1
How to Crack UGC NET While Working?
Solutions
S1. Ans.(b)
Sol. −1, 5, 15, 29, ? , …
5-(-1) = 6, 15 – 5 = 10, 29 – 15 = 14, 47 – 29 = 18
Here 6, 10, 14, 18, 22…. it’s also a series
Thus, this series next term is 47
S2. Ans.(c)
Sol. ABD, DGK, HMS, MTB, SBL, _____,

So, next term is ZKW
S3. Ans.(d)
Sol. VARANASI is coded as WCUESGZQ,
So, KOLKATA is coded as LQOOFZH
S4. Ans.(c)
Sol.

So, the woman is sister of Rakesh
S5. Ans.(d)

UGC NET Salary 2020
S6. Ans.(c)
Sol. Analogical
S7. Ans.(a)
Sol. (i) Most of the singers are physically fit.
(ii) Most of the dancers are singers.
S8. Ans.(d)
Sol. Uniformity of nature
S9. Ans.(c)
Sol. (iii) No domestic animal is ferocious.
(iv) Some domestic animals are non-ferocious.
S10. Ans.(c)

Sol. It is a method of testing the validity of arguments, it represents both the premises of a syllogism in one diagram and it can be used to represent classes as well as propositions are correct in the context of Venn diagram method.

S11. Ans.(b)

Sol. The percentage increase in the consumption of rice over the previous year was the highest in 2014

S12. Ans.(c)

Sol. Per Capita Consumption = (Consumption in million kg) ÷ (Population in million) and consumption (in million kg) = Production – Exports

S13. Ans.(a)
Sol. In 2012
114 : 36.25 = 456 : 145
The ratio of exports to consumption was the highest in 2012
S14. Ans.(d)

Sol. Per Capita Consumption = (Consumption in million kg) ÷ (Population in million) and consumption (in million kg) = Production – Exports

S15. Ans.(d)

Sol. the average consumption of rice (in million kg) over the years 2012-2016 is

consumption (in million kg) = Production – Exports

Average consumption = (72.5 + 88 + 108 + 105 + 127) ÷ 5

= 500.5 ÷ 5 = 100.1

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