Bihar Board 12th Math Objective solution with answer key 2018 | BSEB Exam 15th February 2018 all 50 Objective Question with Answer sheet

By | February 15, 2019
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Computer designed image – above | Correct Answer Key for Maths I.Sc. Annual Examination 2018 hope that you may be searching after successfully giving of BSEB Math exam on 15/02/2018. In the Bihar School Examination Board mathematics examination, there will be 50 Objective question will be asked. Students very carefully filled OMR Sheet with Bihar Board 12th mathematics examination answer key. Bihar math answer key 2018 will help you to predict their marks in the subject of mathematics. Bihar board mathematics exam solution with answers, Bihar board mathematics question 2018 with solution sheet is provided question wise. Students who appeared in this examination for them we have provided all the Bihar board math 2018 exam answer key with a solution. 

Bihar Board 12th math solution with answer key

BSEB ISC Math Objective Answer key 15/02/2019 

I would like to mention here that Answer key of Bihar board main exam 2018 Math OMR sheet optional like A/B/C/D which student filled we presently provided and later on Answer key of Bihar board 2018 math with solution we will also provide on this page. In the Main Exam or Mathematics, there will only one question paper has given together combine of  1 to 50 objective question and short question for 2 marks with the long question of 5 marks. In every subject, we recall/remember the important instruction about the filling of OMR Sheet. 

Bihar Board 12th math solution with answer key 

1. Let A = {5, 6}; how many binary operations can be defined on this set?
Answer – 16

2. Let A= {1,2,2}, which of the following function f : A—> A does not have an inverse function?
Answer – {(1,2), (2,1), (3,1)}

3. If A = {1,2,3} B= {6,7,8} and f: A—-> B is a function such that f (x) = X+5 then what type of a fucntion is f?
Answer – One-One Onto

4. What type of relations is “Less than” in the set of real numbers?
Answer- Only transitive

5. Cos -1 (Cose 8 π/5 )=
Answer – 8 π/5

6. Cos -1 (2x-1) =
Answer – 2 Cos -1√ x

7. 2 Cot -1 3 + cot -1 =
Answer – π/4
8. Tan -1 (1) + cos -1(-1/2) + sin -1 (-1/2)=
Answer – 3 π/4

READ  I.SC Math 2018 exam answer key Bihar board | BSEB Inter/12th Math Objective Solution with Answer


Answer –  (Zero)

11. If 7 and 2 are two roots of the equations  math question class 12th bihar board                                                                                                                                                       then th third root is

Answer –  (-9 )

BSEB Math Objective Answer key 2018 
Q. No Ans Q. No Ans Q. No Ans Q.No Ans Q.No Ans
1  C 2  B 3  B 4  B 5  A
6 C 7  B 8  B 9  A 10  C
11  A 12  D 13  B 14  A 15  A
16  B 17  B 18  B 19  C 20  C
21  C 22  C 23  D 24  A 25  B
26  B 27  A 28  C 29  B 30  C
31  C 32  D 33  A 34  B 35  C
36  B 37  B 38  B 39  D 40  B
41  B 42  B 43  B 44  A 45  C
46  B 47  B 48  B 49  B 50  B

BSEB  Math short and long Question with Answer will be udpating –   Please wait 

How to use Bihar board math 2018 exam answer key with a solution 

  • Visit this website through the using URL at 
  • On the home page, there will tittle named BSEB I.Sc Math 2018 Objective Answer key
  • Click on that link named Bihar board math answer key 
  • A page will be open read all useful information which is given on this page. 
  • Question number wise objective Answer like A/B/C/D will be given. 
  • Match with your answer which you attempted in the exam omr sheet of math. 

BSEB 12th math answer key 2018

The solution of every objective question will be later on the update. Bihar board mathematics solution with answers will surely make you confirm for estimating the marks in the final result in Bihar Board Inter result 2018. Some number of students while colouring of the circle BSEB 12th math answer key 2018 on OMR sheet color other option. 

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About Bihar Board 

BSEB: Bihar School Examination Board is the Education Board in Bihar State & It is working with the state govt. of Bihar. This is the authorized examination conducting body in the State of Bihar it takes matriculation and intermediate examination twice in the year. This year BSEB has been changed the examination pattern of inter and matric both. From this academic session, there will be 50% Objective Question asked. 

Bihar board mathematics question 2018 with solution sheet

If you want to do discuss the Bihar board mathematics question 2018 with solution sheet, Bihar math answer key 2018 then please do it through the comments. Because this will surely help other visitors to get information about the Bihar board mathematics exam solution with answers.   

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48 thoughts on “Bihar Board 12th Math Objective solution with answer key 2018 | BSEB Exam 15th February 2018 all 50 Objective Question with Answer sheet

  1. Abhishek kumar

    Kya huaa Sir
    Kab Upload Karenge
    Mathematics Ka Answer
    Time Bhi To bataie

      1. Nishant Kishu

        Sir ab to morning bhi ho gaya apne avi tk ni kiya hai
        Sir plzzzz kl se 200 bar refresh kr chuka hu sir plzzz jldii kigea sir

  2. Pingback: BSEB math Objective ka Answer Exam 15/02/2018 |

  3. Kumar divyanshu

    Kaphi Hard questions thaa. Sir dar lag raha hai. Jaldi opload kigyee

  4. Vipul rajbir

    1C 2B 3B 4B 5C 6C 7B 8B 9A 10C 11A 12 D13B 14A 15A 16B 17 B18B 19C 20 C21 C22C 23 D24 D25B 26 B27C 28C 29 B30D 31C 32D 33A 34B 35 C36B 37 B38 B39 D40 B41B 42 B43B 44A 45C 46B 47B 48 B49B 50B

  5. prashant singh

    sir question bhut hard tha no achha se dijayega AAP par hi sab hai

  6. Faiz Ahmad

    God evening sir
    Hindi & Urdu ka objective answers key daliye sir plz plz plz……

  7. Sapna Mishra

    Quest 9 me vo determinant b ek hi row ya column me multiply krte h..matrix me hum dono row me lamda ko muktiply krte h..toh answer C hi hoga..just go through it once..

  8. Sapna Mishra

    And quest no. 30 ka b answer 0 means option D aana chahiye…qki quest me..ek ka limit alpha to beeta h..nd dusre ka limit beeta se alpha h

  9. Sapna Mishra

    Nd quest no. 40 ka ans zero kaise aaya..koi explanation de skta h..? Ans D hona chahiye na..?!?

    1. jaikee choubey

      ans.d hi hoga kyu ki I cross j k and I cross k _j ..these type

  10. Sapna Mishra

    Plz jldi bihar board me darh lgta h..bht strict checking hoti h..usme b sahi answers ko bhi galat diya h!!

  11. anjun

    maths ke exam ke lye mne bhut mehnat ki thi fir bhi exam acha nhi gya… pta nhi bihar board khaae ques utha ke lati h…. plz copy ache ae check kre….

  12. nitesh kumar sah

    sir,question ke sath answer key upload kariye na ya set wise dijye na ,ye jo upload kiye hai na kuch pata nai chal raha hai


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