Andhra Pradesh: State Level Answer Key (MAT) - 2020-21 | NTSE for Class 10 PDF Download

 Page 1


 
 
 
 
 
NTSE FEBRUARY, 2021 
STAGE -1(A.P) 
 
 
 
 
 
 
MENTAL ABILITY TEST  
SOLUTIONS 
 
 
 
 
 
 
 
 
 
 
  
  
 
Page 2


 
 
 
 
 
NTSE FEBRUARY, 2021 
STAGE -1(A.P) 
 
 
 
 
 
 
MENTAL ABILITY TEST  
SOLUTIONS 
 
 
 
 
 
 
 
 
 
 
  
  
 
       
    
NTSE-FEBRUARY, 2021 (STAGE – 1 – AP) 
MENTAL ABILITY TEST 
QUESTION PAPER CODE: C 
Time : 2 Hrs         Max.marks: 100 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
INSTRUCTIONS 
Read the following instructions carefully before you answer the questions. Answers are to be SHADED on a 
SEPARATE OMR Answer Sheet given, with HB Pencil. Read the Instructions printed on the OMR Sheet carefully 
before answering the question. 
1.  Please write your Center Code Number and Roll Number very clearly (only one digit in one block) on the 
OMR Sheet as given in your admission card. Please see that no block is left unfilled and even zeros 
appearing in the Center Code Number are correctly transferred to the appropriate blocks on the OMR 
Sheet as shown in the example given in the OMR Sheet. For all the subsequent purpose your Center Code 
Number and Roll Number shall remain the same as given on the Admission Card. 
2.  Paper-I (Mental Ability) consists of 100 questions (Q.Nos 1 to 100)  
3.  All questions carry one mark each.  
4.  Since all questions are compulsory do not try to read through the whole question paper before beginning to 
answer it. 
5.  Begin with the first question and keep trying one question after another till you finish all the questions 
6.  If you do not know the answer to any question, do not spend much time on it and pass on to next one. If 
time permits, you can come back to the questions which you have left in the first instance and try them 
again.  
7.  Since the time allotted to the question paper is very limited, you should make the best use of it by not 
spending too much time on any question. 
8.  A black page is provided for rough work at the end of question paper.  
9.  REMEMBER YOU HAVE TO SHADE ANSWERS ON A SEPARATE OMR SHEET PROVIDED. 
10.  Answer to each question is to be indicated by SHADING the circle having the number of the correct 
alternative in OMR Sheet from among the ones given for the corresponding question in the booklet.  
11.  Now turn to the next page and start answering the questions. 
12.  The OMR answer sheet consists of two copies, the ORIGINAL COPY and the CANDIDATE’S COPY. 
Do not separate or displace them. Do not darken the bubbles in two copies of OMR answer sheets 
separately. After the examination, you should hand over the OMR Sheet to the Invigilator of the room and 
can take away the candidate’s copy of OMR answer sheet with them. 
13.  The candidate need not return this Question Paper booklet and can take it after completion of the 
examination. No candidate should leave the examination hall before the end of the examination. 
Page 3


 
 
 
 
 
NTSE FEBRUARY, 2021 
STAGE -1(A.P) 
 
 
 
 
 
 
MENTAL ABILITY TEST  
SOLUTIONS 
 
 
 
 
 
 
 
 
 
 
  
  
 
       
    
NTSE-FEBRUARY, 2021 (STAGE – 1 – AP) 
MENTAL ABILITY TEST 
QUESTION PAPER CODE: C 
Time : 2 Hrs         Max.marks: 100 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
INSTRUCTIONS 
Read the following instructions carefully before you answer the questions. Answers are to be SHADED on a 
SEPARATE OMR Answer Sheet given, with HB Pencil. Read the Instructions printed on the OMR Sheet carefully 
before answering the question. 
1.  Please write your Center Code Number and Roll Number very clearly (only one digit in one block) on the 
OMR Sheet as given in your admission card. Please see that no block is left unfilled and even zeros 
appearing in the Center Code Number are correctly transferred to the appropriate blocks on the OMR 
Sheet as shown in the example given in the OMR Sheet. For all the subsequent purpose your Center Code 
Number and Roll Number shall remain the same as given on the Admission Card. 
2.  Paper-I (Mental Ability) consists of 100 questions (Q.Nos 1 to 100)  
3.  All questions carry one mark each.  
4.  Since all questions are compulsory do not try to read through the whole question paper before beginning to 
answer it. 
5.  Begin with the first question and keep trying one question after another till you finish all the questions 
6.  If you do not know the answer to any question, do not spend much time on it and pass on to next one. If 
time permits, you can come back to the questions which you have left in the first instance and try them 
again.  
7.  Since the time allotted to the question paper is very limited, you should make the best use of it by not 
spending too much time on any question. 
8.  A black page is provided for rough work at the end of question paper.  
9.  REMEMBER YOU HAVE TO SHADE ANSWERS ON A SEPARATE OMR SHEET PROVIDED. 
10.  Answer to each question is to be indicated by SHADING the circle having the number of the correct 
alternative in OMR Sheet from among the ones given for the corresponding question in the booklet.  
11.  Now turn to the next page and start answering the questions. 
12.  The OMR answer sheet consists of two copies, the ORIGINAL COPY and the CANDIDATE’S COPY. 
Do not separate or displace them. Do not darken the bubbles in two copies of OMR answer sheets 
separately. After the examination, you should hand over the OMR Sheet to the Invigilator of the room and 
can take away the candidate’s copy of OMR answer sheet with them. 
13.  The candidate need not return this Question Paper booklet and can take it after completion of the 
examination. No candidate should leave the examination hall before the end of the examination. 
       
    
PAPER - I 
MENTAL ABILITY TEST 
(Q.Nos. 1 to 100) 
Max. marks : 100 
 
 
Note:  SHADE the correct alternatives in the OMR Answer Sheet 
provided, from amongst the ones given against the 
corresponding question in the Question Booklet. For shading 
the circles, use HB Pencil. 
Page 4


 
 
 
 
 
NTSE FEBRUARY, 2021 
STAGE -1(A.P) 
 
 
 
 
 
 
MENTAL ABILITY TEST  
SOLUTIONS 
 
 
 
 
 
 
 
 
 
 
  
  
 
       
    
NTSE-FEBRUARY, 2021 (STAGE – 1 – AP) 
MENTAL ABILITY TEST 
QUESTION PAPER CODE: C 
Time : 2 Hrs         Max.marks: 100 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
INSTRUCTIONS 
Read the following instructions carefully before you answer the questions. Answers are to be SHADED on a 
SEPARATE OMR Answer Sheet given, with HB Pencil. Read the Instructions printed on the OMR Sheet carefully 
before answering the question. 
1.  Please write your Center Code Number and Roll Number very clearly (only one digit in one block) on the 
OMR Sheet as given in your admission card. Please see that no block is left unfilled and even zeros 
appearing in the Center Code Number are correctly transferred to the appropriate blocks on the OMR 
Sheet as shown in the example given in the OMR Sheet. For all the subsequent purpose your Center Code 
Number and Roll Number shall remain the same as given on the Admission Card. 
2.  Paper-I (Mental Ability) consists of 100 questions (Q.Nos 1 to 100)  
3.  All questions carry one mark each.  
4.  Since all questions are compulsory do not try to read through the whole question paper before beginning to 
answer it. 
5.  Begin with the first question and keep trying one question after another till you finish all the questions 
6.  If you do not know the answer to any question, do not spend much time on it and pass on to next one. If 
time permits, you can come back to the questions which you have left in the first instance and try them 
again.  
7.  Since the time allotted to the question paper is very limited, you should make the best use of it by not 
spending too much time on any question. 
8.  A black page is provided for rough work at the end of question paper.  
9.  REMEMBER YOU HAVE TO SHADE ANSWERS ON A SEPARATE OMR SHEET PROVIDED. 
10.  Answer to each question is to be indicated by SHADING the circle having the number of the correct 
alternative in OMR Sheet from among the ones given for the corresponding question in the booklet.  
11.  Now turn to the next page and start answering the questions. 
12.  The OMR answer sheet consists of two copies, the ORIGINAL COPY and the CANDIDATE’S COPY. 
Do not separate or displace them. Do not darken the bubbles in two copies of OMR answer sheets 
separately. After the examination, you should hand over the OMR Sheet to the Invigilator of the room and 
can take away the candidate’s copy of OMR answer sheet with them. 
13.  The candidate need not return this Question Paper booklet and can take it after completion of the 
examination. No candidate should leave the examination hall before the end of the examination. 
       
    
PAPER - I 
MENTAL ABILITY TEST 
(Q.Nos. 1 to 100) 
Max. marks : 100 
 
 
Note:  SHADE the correct alternatives in the OMR Answer Sheet 
provided, from amongst the ones given against the 
corresponding question in the Question Booklet. For shading 
the circles, use HB Pencil. 
       
    
Direction: In Question nos. 1 to 5: 
Each of the following questions consists of five figures marked A, B, C, D and E called the 
problem figures followed by four other figures marked 1, 2, 3 and 4 called the answer figures. 
Select a figure from amongst the answer figures which will continue the same series as 
established by the five problem figures. Select a figure from amongst the answer figures which 
will continue the same series as established by the five problem figures. 
1.4 
Sol. Obseve the darkened circles 
2.3 
Sol. Square should changed to V and darkened triangle should move to opposite 
3.4 
Sol. 5 lines are added every time in anti-clock wise direction 
4.4 
Sol. Inner figures are obtained by rotating clockwise one step and external figures are obtained by 
rotating anticlock wise directions. 
5.3 
Sol. First two symbols will come down and middle one will come to top 
6.2 
Sol. Shift all symbols anticlock wise 90
0
 and reverse them. 
7.1 
Sol. Every time 1½ part of leaf is added 
8.4 
Sol. B is mirror image of A, D is mirror image of C 
9.4 
Sol. First and second rows are interchanged and third row elements are interchanged. 
10.2 
Sol. Every time are line segment and a circle is added 
Page 5


 
 
 
 
 
NTSE FEBRUARY, 2021 
STAGE -1(A.P) 
 
 
 
 
 
 
MENTAL ABILITY TEST  
SOLUTIONS 
 
 
 
 
 
 
 
 
 
 
  
  
 
       
    
NTSE-FEBRUARY, 2021 (STAGE – 1 – AP) 
MENTAL ABILITY TEST 
QUESTION PAPER CODE: C 
Time : 2 Hrs         Max.marks: 100 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
INSTRUCTIONS 
Read the following instructions carefully before you answer the questions. Answers are to be SHADED on a 
SEPARATE OMR Answer Sheet given, with HB Pencil. Read the Instructions printed on the OMR Sheet carefully 
before answering the question. 
1.  Please write your Center Code Number and Roll Number very clearly (only one digit in one block) on the 
OMR Sheet as given in your admission card. Please see that no block is left unfilled and even zeros 
appearing in the Center Code Number are correctly transferred to the appropriate blocks on the OMR 
Sheet as shown in the example given in the OMR Sheet. For all the subsequent purpose your Center Code 
Number and Roll Number shall remain the same as given on the Admission Card. 
2.  Paper-I (Mental Ability) consists of 100 questions (Q.Nos 1 to 100)  
3.  All questions carry one mark each.  
4.  Since all questions are compulsory do not try to read through the whole question paper before beginning to 
answer it. 
5.  Begin with the first question and keep trying one question after another till you finish all the questions 
6.  If you do not know the answer to any question, do not spend much time on it and pass on to next one. If 
time permits, you can come back to the questions which you have left in the first instance and try them 
again.  
7.  Since the time allotted to the question paper is very limited, you should make the best use of it by not 
spending too much time on any question. 
8.  A black page is provided for rough work at the end of question paper.  
9.  REMEMBER YOU HAVE TO SHADE ANSWERS ON A SEPARATE OMR SHEET PROVIDED. 
10.  Answer to each question is to be indicated by SHADING the circle having the number of the correct 
alternative in OMR Sheet from among the ones given for the corresponding question in the booklet.  
11.  Now turn to the next page and start answering the questions. 
12.  The OMR answer sheet consists of two copies, the ORIGINAL COPY and the CANDIDATE’S COPY. 
Do not separate or displace them. Do not darken the bubbles in two copies of OMR answer sheets 
separately. After the examination, you should hand over the OMR Sheet to the Invigilator of the room and 
can take away the candidate’s copy of OMR answer sheet with them. 
13.  The candidate need not return this Question Paper booklet and can take it after completion of the 
examination. No candidate should leave the examination hall before the end of the examination. 
       
    
PAPER - I 
MENTAL ABILITY TEST 
(Q.Nos. 1 to 100) 
Max. marks : 100 
 
 
Note:  SHADE the correct alternatives in the OMR Answer Sheet 
provided, from amongst the ones given against the 
corresponding question in the Question Booklet. For shading 
the circles, use HB Pencil. 
       
    
Direction: In Question nos. 1 to 5: 
Each of the following questions consists of five figures marked A, B, C, D and E called the 
problem figures followed by four other figures marked 1, 2, 3 and 4 called the answer figures. 
Select a figure from amongst the answer figures which will continue the same series as 
established by the five problem figures. Select a figure from amongst the answer figures which 
will continue the same series as established by the five problem figures. 
1.4 
Sol. Obseve the darkened circles 
2.3 
Sol. Square should changed to V and darkened triangle should move to opposite 
3.4 
Sol. 5 lines are added every time in anti-clock wise direction 
4.4 
Sol. Inner figures are obtained by rotating clockwise one step and external figures are obtained by 
rotating anticlock wise directions. 
5.3 
Sol. First two symbols will come down and middle one will come to top 
6.2 
Sol. Shift all symbols anticlock wise 90
0
 and reverse them. 
7.1 
Sol. Every time 1½ part of leaf is added 
8.4 
Sol. B is mirror image of A, D is mirror image of C 
9.4 
Sol. First and second rows are interchanged and third row elements are interchanged. 
10.2 
Sol. Every time are line segment and a circle is added 
       
    
Questions (11 to 20) In each of the following letter series. Some of the letters ar missing which 
are given in that order as one of the alternatives below it. Choose the correct alternatives. 
11.2 
Sol. Sequence AABBCC is repeated 
12.2 
Sol. CCCBBBAAA is repeated 
13.3 
Sol. ABC/AA BC / AABBCC / A 
14.1 
Sol. AABCC/BBCAA/CCABB/AABCC 
15.1 
16.4 
Sol. ABCD/AABBCCDD/AAABBBC 
17.4 
Sol. CA/CCAA/CCCAAA/CCCCAAAA 
18.2 
19.4 
Sol. BAAC/ACCB/CBBA/BAAC 
Sol. AABC/ABBC/ABCC/AABC/ABBC 
Direction : Questions (21 to 30): In each of the following questions find out the alternative which 
will replace the question mark. 
21.3 
Sol. Evolution is proposed by Darvin, Buoyancy is proposed by Archimedes 
22.4 
Sol. Snake bite with Fang, Bee bite with sting 
23.2 
Sol. Tea is taken in cup, Tobacco enhanced through Hookah 
24.4 
Sol. Aeroplane is controlled in cockpit, train is controlled in engine