# (30 Sep 2020) – Reasoning, 2nd Shift NTA UGC NET JRF Question paper, Answer key

1. In a family of four A, B, C and D; D is taller than B, C is shortest of all and A is taller than only one person, then A. Number of persons taller than A is the number of persons shorter than B.
A. D is tallest
B. A is shortest
C. No one is shorter than C
D. Only one person is shorter than B

A. D is tallest
B. A is shortest
C. No one is shorter than C
D. Only one person is shorter than B
1. A, B and E only
2. A, B and D only
3. B and C only
4. A and D only
चार A, B, C और D के परिवार में; D, B से लम्बा है, C सबसे छोटा है और A केवल एक व्यक्ति से लम्बा है, तो A. A से लम्बे व्यक्तियों की संख्या B से छोटे व्यक्तियों की संख्या है। A. D सबसे लंबा है B. A सबसे छोटा है C. कोई भी C . से छोटा नहीं है D. केवल एक व्यक्ति B से छोटा है

Explanation: D > B > A > C ©navclasses

2. Match List I with List II.
Numbers square roots:
A. 41209 I.9
B. 841 II. 29
C. 81 III. 232
D. 53824 IV. 203
Choose the correct answer from the options given below:

1. A – IV, B – III, C-, D- II
2. A – II, B – IV, C-I, D-III
3. A-II, B – III, C-I, D-IV
4. A – IV, B – II, C-I,D- III

Explanation: Square root of a number must equal that number when multiplied by itself
Like 9*9 = 81, 29*29= 841, 232*232= 53824, 203*203= 41209

3. Given below are two statements:
Statement I: Compound interest involves the reinvestment of the earned interest, which in future years also earns interest.
Statement II: Simple interest is the amount earned or paid on a sum of compound interest and principal amount.
In light of the above statements, choose the most appropriate answer from the options given below:

1. Both Statement and Statement Il are true
2. Both Statement and Statement il are false
3. Statement I is correct but Statement II is false
4. Statement is incorrect but Statement II is true
नीचे दो कथन दिए गए हैं: कथन I: चक्रवृद्धि ब्याज में अर्जित ब्याज का पुनर्निवेश शामिल है, जो भविष्य के वर्षों में भी ब्याज अर्जित करता है। कथन II: साधारण ब्याज चक्रवृद्धि ब्याज और मूल राशि की राशि पर अर्जित या भुगतान की गई राशि है। उपरोक्त कथनों के आलोक में, नीचे दिए गए विकल्पों में से सबसे उपयुक्त उत्तर का चयन करें:

Explanation: Simple interest paid or received over a certain period is a fixed percentage of the principal amount that was borrowed or lent.

4. Given below are two statements.
Statement I: A percentile divides the distribution into 100 equal parts.
Statement II: Range is the distribution between zero and highest value.
In light of the above statements, choose the most appropriate answer from the options given below:

1. Both Statement and Statement Il are true
2. Both Statement I and Statement Il are false
3. Statement is correct but Statement II is false
4. Statement is incorrect but Statement II is true
नीचे दो कथन दिए गए हैं। कथन I: एक पर्सेंटाइल वितरण को 100 बराबर भागों में विभाजित करता है। कथन II: रेंज शून्य और उच्चतम मान के बीच वितरण है। उपरोक्त कथनों के आलोक में, नीचे दिए गए विकल्पों में से सबसे उपयुक्त उत्तर का चयन करें:

Explanation: Range = Highest Value – Lowest Value

5. Match List I with List II.
Types of numbers (examples):
A. Natural numbers I. {…, -2, -1, 0, 1, 2, …)
B. Whole numbers II. {1, 2, 3, 4, …}
C. Integers III. {0, 1, 2, 3, …)
D. Prime numbers IV. {2, 3, 5, 7, 11, 13, …)
Choose the correct answer from the options given below:

1. A – III, B – I, C-IV, D – II
2. A – II, B – III, C-I, D-IV
3. A-I, B-II , C-IV, D – III
4. A – III, B – II, C-I, D-IV

Explanation: Natural numbers (N): 1, 2, 3, … are natural numbers
Whole Numbers (W): natural numbers with zero.
0,1, 2, 3, 4, 5, ……….
Integers (Z): ….., -4, −3, −2, −1, 0, 1, 2, 3, 4 ……
Rational numbers (Q ): It Can be expressed in ratio of an integer to a non-zero integer. Examples: 5/7, 12/5
Real numbers (R): That can represent a distance along a line. They can be +ve, -ve, or zero. All rational numbers are real, but Real numbers are not rational numbers
Irrational numbers: That cannot be expressed in the term of a/b. Examples: √2, π, Euler’s constant, etc
Prime number: An integer which divides with itself and 1.
Example: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.
Composite number: Can be factored into a product of smaller integers. Other than 1 and prime numbers are Composite numbers

6. Find the odd pair/group:
A. 66-70
B. 30-48
C. 80-98
D. 40-58
E. 72-90
Choose the correct answer from the options given below:

1. A only
2. C and E only
3. B and D only
4. E only

Explanation: All other have difference of 18. ©navclasses

7. Consider the following three expressions:
A. 35 ÷ 0.07
B. 2.5 ÷ 0.0005
C. 136.09 ÷ 43.9
What is the correct descending order for the simplified values of A, B and C?

1. B >A > C
2. C>A> B
3.C > B > A
4. B >C >A

Explanation: A. 35 ÷ 0.07 = 500
B. 2.5 ÷ 0.0005= 5000
C. 136.09 ÷ 43.9 = 3.1

8. In the sequence:
10KL13, 15PQ18, 19TU22,
What will be the last place?

1. 22VW23
2. 22VW24
3. 23XY25
4. 23XY26

Explanation: 10, skip 11, 12=13;then skip one 14 next is 15 skip 16, 17= 18;
19 skip 20, 21=22, 23 skip 24, 25=26
KL skip 3= PQ, Skip 2 alphabets= TU, Skip 2 alphabets= XY

9. Find the odd number in the following series:
644, 328, 164, 84, 44, 24, 14

1.44
2. 84
3. 164
4. 328

Explanation: From back +10 +20 +40 +80

10. Kavita sold a mobile phone at the price of 1950 and made a loss of 25%. At what price will she have to sell it to get a profit of 30%?

1. 2600
2. 2780
3. 3000
4. 3380
कविता ने 1950 की कीमत पर एक मोबाइल फोन बेचा और उसे 25% की हानि हुई। 30% का लाभ प्राप्त करने के लिए उसे इसे किस कीमत पर बेचना होगा?

Explanation: 1950/75 x 130

### 6 thoughts on “(30 Sep 2020) – Reasoning, 2nd Shift NTA UGC NET JRF Question paper, Answer key”

1. 10 /10 marks
Mam aapsa mathmatical reasoning pdna ka baad……mathmatical reasoning main interest ana start ho gya hai….thanku so much mam ???
#navclasses #navlearner #jrfismine

2. 10 /10 marks
Mam aapsa mathmatical reasoning pdna ka baad……mathmatical reasoning main interest ana start ho gya hai….thanku so much mam ???
#navclasses #navlearner #jrfismine ???