Official Answer Key of West Bengal NTSE Stage I 2019

State Education Department, West Bengal
has issued the official answer key of NTSE Stage I 2019

Official Answer Key of Kerala NTSE Stage I 2018-19

State Council of Educational Research & Training
has issued the answer key of NTSE STage I 2018-19
Any complaints regarding answer keys should be submitted to The Director, SCERT through mail ntsescertkerala@gmail.com or by post on or before 3.12.2018. 
After the given date no complaints will be entertained at any reason.

Official Answer Key of Uttarkhand NTSE Stage I 2018

State Council of Educational Research and Training
Government of Uttarakhand
has issued the Answer key of NTSE Stage I 2018

Official Answer Key of Chattisgarh NTSE Stage I 2018-19

State Council of Research & Training, Chattisgarh
Has issued the Answer Key of NTSE Stage I 2018-19
last date to submit feedback is 30.11.2018 an can be submitted directly at the office of SCERT Raipur, submission through email or by post will not be entertained

Official Answer Key of Madhya Pradesh NTSE Stage I 2018

Rajya Shiksha Kendra of Madhya Pradesh
has issued the Answer Key of MP NTSE Stage I 2018

Entrance Test of International Earth Science Olympiad 2019

Geological Society of India has invited Applications for the
Entrance Test of International Earth Science Olympiad (IESO) 2019
Students of 9^th, 10^th and 11^th higher secondary schools / junior colleges, born after 1.7.2000 are eligible
Entrance Test will be held on - 19.01.19

For Application form
http://www.geosocindia.org/public/journals/253/docs/APPLICATION_FORM_IESO2019.pdf

For Submission of Applications in your respective states, please contact the Center Cordinator
http://www.geosocindia.org/public/journals/253/docs/Test_Centers_IESO2019.PDF

Official Tentative Answer Key of Tamil Nadu NTSE Stage I 2018

Directorate of Government Examination, TmailNadu
has issued the NTSE Stage I 2018 Answer Key

Official Answer key of Karnataka NTSE Stage I 2018

Department of State Educational Research and Training, Karnataka
has issued the official answer key of Karnataka NTSE Stage I 2018

feedback can be submitted till 03/12/18

Official Answer Key of Odisha NTSE Stage I 2018-19

Official Answer Key of Gujarat NTSE Stage I 2018

Last date to submit objections is 26.11.18

Corrections in the Official Answer Key
MAT
Q.12 Answer in the official answer key is Option C, but none of the given options are correct. It should be a BONUS Question

Q.18 Answer given in the official answer key if Option C, correct answer should be Option B

Q.41. Answer in the official answer key is Option A, but none of the given options are correct. It should be a BONUS Question

Sol. CAT is written as ATC means First Alphabet i.e C is taken as the last alphabet
DEAR is written as EARD, means Fist Alphabet i.e. D is taken as the last alphabet
following the same sequence SIGN would be written as IGNS, which is not given as any of the options
Q.42 Answer given in the official answer key is Option C, correct answer should be Option D

Q.48 Answer in the official answer key is Option B, but none of the given options are correct. It should be a BONUS Question

Q.66 Answer given in the official answer key is Option B, correct answer should be Option A

Q.68 Answer given in the official answer key is Option B, correct answer should be Option D

Sol. ISI, the answer given in the official answer key is not an central investigating agency of Pakistan, ISI in Paksitan is just like RAW in India. The National Central Bureau of Pakistan is the central investigation agency of Pakistan and it's not given in the options.

Official answer key of Bihar NTSE Stage I 2019

Corrections in the Answer Key
SAT Paper
Q.2 Answer given in the Official Answer key is 4, Correct Answer should be 1

Q.15 Answer given in the Official Answer key is 3, Correct Answer should be 2

Q.22 Answer given in the Official Answer key is 2, Correct Answer should be 4

Q.24 Answer given in the Official Answer key is 4, Correct Answer should be 1

Q.29 Answer given in the Official Answer key is 2, Correct Answer should be 1

Q.50 Answer given in the Official Answer key is 1, Correct Answer should be 2

Official Answer Key of Delhi NTSE Stage I 2018-19

Directorate of Education, Govt. of NCT of Delhi
has issued the Answer key of Delhi NTSE Stage I 2018-19
Objections can be sent upto 19/11/18 to sciencebranch@gmail.com

Corrections in the Official answer key
In MAT Paper
Q.26 Answer given in the Official Answer Key is Option (1), correct answer should be Option (4)
26. A vessel contains 60 Ltr. of milk, 12 liters of milk is taken out of it and is replaced by water. Then again from the mixtrue 12 liters are taken out and replaced by water. Find the amount of milk left after the operation.
(1) 28.4 Ltrs. (2) 21.6 Ltrs. (3) 36 Ltrs. (4) 38.4Ltrs.
Ans. (4)
Sol. 12 liters is taken out and replaced by water new ratio is 4 : 1 Now milk is 4/5  part and water is 1/5  part,
Now thus, in 12 liters quantity of milk = 4/5 x 12 = 48/5 Ltr.
So remaining milk = 48 - 48/5 = 38.4 Ltrs.
Q.31 Answer given in the Official Answer Key is Option (2), None of the given options are correct. it should be BONUS
31. 2, 12, 30, ? , 90, 120
(1) 48       (2) 56            (3) 63           (4) 72
Ans. (NA), framing of the question is wrong. If we follow the sequence the missing term should be option (2) 56, but following the same sequence the last number should not be 120 as given, it should be 132, that's why question is wrong
Sol. 1 x 2 = 2 , 3 x 4 =12 , 5 x 6 = 30, 7 x 8 = 56, 9 x 10 = 90 , 11 x 12 =132
Q.51 Answer given in the Official Answer Key is Option (2), None of the given options are correct. it should be BONUS
51. What letter will come next in the following series ? ABCDEFGZYWUVTBCDEFYXWVUCDEXWVR
(1) A           (2) V                (3) B              (4) Z
Ans. (NA)
Sol. Last term should have been D, it's been given R. Following this sequence next term should have been W, which is not given in the option
(1) A to G are the seven element in forward order. From Z to V it should be 7 elements in reverse order, but here in the question there are only 6 elements (X is missing) and it should be placed as TUV but here it is written as TVU
(2) B to F are 5 elements in forward order. From Y to U it should be 5 elements, if we follow the sequence of first statement, here also in reverse order it should have been 4 elements
 Q.54 Answer given in the Official Answer Key is Option (1), None of the given options are correct. it should be BONUS
54. How many such consonants are there in the arrangement, each of which is immediately preceded by a symbol and immediately followed by 2 numbers ?
(1) four          (2) one              (3) two        (4) three
Ans. (NA)
Sol. There is no such consonant as described in the question. The correct answer must be ZERO.
Q.67 Answer given in the Official Answer Key is Option (3), None of the given options are correct. it should be BONUS
67. If ‘JOURNAL’ is coded as ‘QLFIMZQ’ the code pattern followed is serial number -
(1) A      (2) B         (3) C        (4) D
Ans. (NA)
Sol.     A B C D E F G H I J K L M Row. (1)
           Z Y X W V U T S R Q P O N Row (2)
Interchange row (1) and row (2) elements in given word like J replaced with Q just below it. But, from row (1) L and row (2) Q not following the pattern.
Q.71 Answer given in the Official Answer Key is Option (4), None of the given options are correct. it should be BONUS

Q.77 Answer given in the Official Answer Key is Option (2), None of the given options are correct. it should be BONUS

Q.80. Answer given in the Official Answer Key is Option (3), correct answer should be Option (4)
Each vowel in the word KILOMETER is replaced by the previous letter in the English alphabet and each consonant is replaced by the next letter in the English alphabet, then the substituted letters are arranged in alphabatical order, which will be the fifth from the left end ?
(1) D     (2) L             (3) M              (4) N
Ans. (4)
Sol. by following the above pattern K = L, I = H, L = M, O = N, M = N, E = D, T = U, E = D and R = S.
Q.81. Answer given in the Official Answer Key is Option (1), correct answer should be Option (2)

Q.83. Answer given in the Official Answer Key is Option (1), None of the given options are correct. it should be BONUS

Q.86 Answer given in the Official Answer Key is Option (1), None of the given options are correct. it should be BONUS

Q.89 Answer given in the Official Answer Key is Option (2), None of the given options are correct. it should be BONUS

Q.92 Answer given in the Official Answer Key is Option (3), Correct Answer should be Option (4)

Q.94. Answer given in the Official Answer Key is Option (3), None of the given options are correct. it should be BONUS

Corrections in SAT Paper
Q.110 Answer given in the Official Answer Key is Option (1), None of the given options are correct. it should be BONUS

Q.120 Answer given in the Official Answer Key is Option (4), None of the given options are correct. it should be BONUS

Q.147 Answer given in the Official Answer Key is Option (3), Correct answer should be option (4)

Q.155 Answer given in the Official Answer Key is Option (3), Correct answer should be option (2)