Table of Contents
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 :
| Exam Name | UGC NET | |
|---|---|---|
| Subject | Reasoning (including Maths), Logical Reasoning, Data Interpretation | |
| Total Questions | 5 (for each) | |
| Total Marks | 10 (for each) | |
| Marking | For right answer – 2 mark | |
| Negative Marking | No | |
| Question Pattern | Objective type | |
| Language | Bilingual | |
| Mathematical Reasoning and Aptitude |
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Logical Reasoning |
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Data Interpretation |
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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 Dec 2018
Q1. The next term in the series 0, 1, 9, 36, 100, ______ is:
(a) 216
(b) 164
(c) 196
(d) 225
Q2. Under which of the conditions an argument may be valid? Select the correct answer from the code given below:
Statements:
(i) When its conclusion and premises are true
(ii) Even when its conclusion and one or more of its premises are false
(iii) Only when its conclusion is true
(a) (iii) alone
(b) (i) and (ii)
(c) (i) and (iii)
(d) (i) alone
Q3. Jenifer’s father-in-law is my brother. Helen is a grand-daughter of my mother. How is Helen related to Jenifer?
(a) Daughter-in-law
(b) Sister
(c) Sister-in-law
(d) Mother
Q4. Among the following, there are two statements which can’t be true together, but can be false together. Select the code that represents them.
Statements:
(i) All poets are dreamers.
(ii) No poets are dreamers.
(iii) Some poets are dreamers.
(iv) Some poets are not dreamers.
(a) (i) and (ii)
(b) (ii) and (iv)
(c) (i) and (iv)
(d) (iii) and (iv)
Q5. Given below are two premises (a) and (b). Four conclusions are drawn from them. Select the code that states validly drawn conclusion(s).
Premises:
(I) All judges are lawyers.
(II) No doctors are lawyers.
Conclusions:
(1) No lawyers are doctors.
(2) No doctor are judges.
(3) All lawyers are judges.
(4) Some doctor are judges.
(a) (1) and (3)
(b) (1) and (2)
(c) (1) and (4)
(d) (2) and (3)
Q6. If ABODE is coded as ADRHJ, then the code for AGRO will be:
(a) AIVX
(b) AIUS
(c) AIST
(d) AVCD
Q7. Choose the word which is different from the rest:
(a) Mount Kilimanjaro
(b) Shivalik Hills
(c) Aravali Hills
(d) Nilgiri Hills
Q8. Which one of the following can be validly inferred from the proposition – “all animals are wild”?
(a) No non-animals are wild.
(b) Some animals are not wild.
(c) No animals are wild.
(d) Some animals are wild.
Q9. The next term in the letter series DEF, HIJ, LMN, PQR, TUV, ______ is
(a) XYZ
(b) WYZ
(c) WXY
(d) YZA
Based on the below table, answer question No. 10, 11, and 12.
Q10. How many States have at least 50% or more electrified villages?
(a) 3
(b) 2
(c) 4
(d) 1
Q11. Which State has twice the percentage of electrified villages in comparison to State D?
(a) State A
(b) State C
(c) State B
(d) State D
Q12. In the year 2000, the total number of villages in State D was 15,000. In the year 2010, the total number of villages had increased to 20,000 out of which 10,000 villages were yet to be electrified. The % of villages not electrified in 2010 in state D has thus_______.
(a) Not enough data
(b) Gone up
(c) Come down
(d) Cannot be computed
Based on the Table given below, answer question no. 13 and 14
Q13. If the population for state F is 2.6 lakhs, what is the population below education index?
(a) 51000 lakhs
(b) 3900 lakhs
(c) 0.39 lakhs
(d) 49000 lakhs
Q14. If the total population of state A was 5 lakhs while the population in state B was 2 lakhs, the number of people below education index will be:
(a) Cannot be calculated
(b) Higher in State A
(c) Equal in State A and B
(d) Higher in State B
How to Crack UGC NET While Working?
Solutions
S1. Ans.(d)
Sol. The given series is
0, 1, 9, 36, 100, ____
(0 + 0)2 = 0
(0 + 0+ 1)2 = 1 (Add first two whole numbers in parenthesis, then Square)
(0 + 0+ 1+ 2)2 = 9 (Add first three whole numbers in parenthesis, then Square)
(0 + 0+ 1+ 2 + 3)2 = 36 (Add first four whole numbers in parenthesis, then Square)
(0 + 0+ 1+ 2 + 3 + 4)2 = 100 (Add first five whole numbers in parenthesis, then Square)
Similarly, we need to add first 6 whole numbers in the parenthesis, then we have to find the square of parenthesis.
(0 + 0+ 1+ 2 +3 +4 +5)2 = 225
So, the next term is 225
S2. Ans.(b)
Sol. (i) When its conclusion and premises are true
(ii) Even when its conclusion and one or more of its premises are false
S3. Ans.(c)
Sol. Step-by-step explanation:
Assuming you only have one brother
Jenifer’s father-in-law is your brother.
Helen is a grand-daughter of your mother.
so, Helen is your or your brother’s daughter
Helen is sister-in-law of Jenifer
S4. Ans.(a)
Sol. (i) All poets are dreamers.
(ii) No poets are dreamers.
S5. Ans.(b)
Sol. (1) No lawyers are doctors.
(2) No doctor are judges.
S6. Ans.(b)
Sol. ABODE = ADRHJ
A = A + 0
B = B+1 +1 = D
O = O + 1 + 1 +1 = R
D = D+ 1+1+1 +1= H
E = E+1+1+1+1+1 = J
Similarly,
AGRO
A= A+ 0 = A
G= G+1 + 1 = I
R = R + 1+1 +1 = U
O = O + 1+ 1+ 1+ 1 = S
S7. Ans.(a)
Sol. Mount Kilimanjaro is in Africa, while rest of them are in India
S8. Ans.(d)
Sol. Always when you see a preposition with the words “some … are”, interpret that as “there is at least one …..” sometimes “some” could mean “all”
S9. Ans.(a)
Sol. DEF, HIJ, LMN, PQR, TUV, ______
DEF, _G_, HIJ, __K__, LMN, __O__, PQR, __S__, TUV, __W__, XYZ
So, the next term = XYZ
S10. Ans.(c)
Sol. Four states = A, B, C and F
S11. Ans.(b)
Sol. State D has 40% electrified
State C has 80% electrified
So, State C has twice the percentage of electrified villages in comparison to State D
S12. Ans.(c)
S13. Ans.(c)
Sol.
S14. Ans.(b)
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