Bihar Board 12th Objective Answer 2020 { Official* } BSEB Inter Answer key Download
BSEB 12th Objective Answer Key 2020 Maths, Physics, Chemistry, Biology: Bihar School Examination Board going to release the Inter Maths Answer key via the online portal. Bihar Board has conducted the 12th Math Objective & Subjective paper on 7th February 2020. Candidates who appeared in the 12th Math Inter Exam can check the answer key from the official website at biharboardonline.bihar.gov.in. Candidates can check the 12th Math Objective Answer Key Paper SET wise. Check the complete details from the below section.
Bihar Board 12th Objective Answer 2020
The officials of the Bihar School Examination Board will be conducted the Intermediate Mathematics Exam on 7th February 2020. The Examination has been conducted by Bihar Board at various exam centers across Bihar State. More than 14 Lakh students registered for this exam and going to appear in the exam. In question papers, 50% MCQs (Objective Type) Question and 50% Subjective Type Questions asked. Candidates can check the Paper SET wise answer Key from the official website. We are also given the bseb 12th Maths objective questions and answers in hindi PDF direct link here in the below section.
Bihar Board Intermediate Exam 2020 Details
| Name of Board | Bihar School Examination Board (BSEB) |
| Examination | BSEB 12th Maths, Physics, Chemistry, Biology Inter Exam 2020 |
| Subject Name | Mathematics |
| Answer Key Status | 13th March 2020 |
| Status | Available Here |
| Official Website | biharboardonline.bihar.gov.in |
Download Here>>>Bihar Board 12th Answer Key 2020
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BSEB Inter Objective Answer key 2020
| Question Number | Answer |
| 1. यदि a, b, c समान्तर श्रेणी में हो तो सारणिक….. का मान बताओ | 0 (शून्य) |
| 2. /sinx+CosX का समाकलन बताओ | π/4 |
| 3. का अवकलन होगा | 4 |
| 4. dx/1+ का समाकलन | π/12 |
| 5. Z= 3X + 2Y का अधिकतम मान | 0 |
| 6. यदि A तथा B समान कोटि के सममित आवुय्ह है तो AB-BA एक | विषम सममित आव्यूह |
| 7. यदि P(A) =1/2 , P(B)=0 हो तब P(A/B)=? | परिभाषित नही |
| 8. का समाकलन | 1-π/4 |
| 9. यदि a= 2i+j+3k और B= 3i+5j-2k हो तो a*b होगा | रूट ऑफ़ 507 |
| 10. सारणिक का मान होगा | 1 |
| 11. यदि P(A)=6/11, P(B)=5/11 तो | 4/11 |
| 12. सदिश 7i-2j+k का मापांक है | 3* root of 6 |
| 13. आव्यूह A तथा B एक दुसरे के व्युत्क्रम होंगे केवल यदि…………….. | AB=BA=I |
| 14. Z= 3X + 5Y का न्यूनतम मान | 0 |
| 15. एक वृत्त की त्रिज्या r=6 cm पर r के सापेक्ष क्षेत्रफल में परिवर्तन की दर है | 12π |
| 16. I (j*k)+j.(i*k)+k.(i*j) का मान है | 3 |
| 17. यदि ……………… हो तो x बराबर है | +6 और -6 दोनों |
| 18. y अक्ष की दिक् कोज्याये है | (0, 1, 0) |
| 19. dx =? | 2(e-1) |
| 20. cos -1 cos 7/6 का मान बराबर है | 5π/6 |
| 21. यदि A और B दो घटनाये इस प्रकार है की | AƇB लेकिन A तथा B बराबर नही है |
| 22. x का अवकलन होगा | (-) 1/1+x*x |
| 23. j*j=? | 0 |
| 24. root of (Xdx) का समाकलन होगा ? (लिमिट 9-4 ) | 38/3 |
| 25. Root of tanX का अवकलन होगा | 2 रूट ऑफ़ tanX |
| 26. i*j= | K |
|
|
Tanx –cotx+k |
| 28. sinX3dx का समाकलन होगा = ? | (-)1/3cosx3+ K |
| 29. एक मैट्रिक्स ……… विषम सममित है यदि | Aij= -1 |
| 30. यदि A कोटि 2 का व्युत्क्र्मीय आव्यूह है तो …………बराबर होगा | 1/det (A) |
| 31. tan -1 + tan -1/3 = | Tan -2 |
| 32. किसी बिंदु पर y=x+1 ……..स्पर्श रेखा है | (1, 2 ) |
| 33. cotx+logsinx dx का समाकलन होगा | exlog sinX+ K |
| 34. यदि A, 3*3 कोटि का व्युत्क्रन्मीय वर्ग आव्यूह है तो adj A = ? | A*A |
| 35. समाकलन होगा | Tanx+logx+k |
| 36. tanx dx का समाकलन होगा | Log cosx +k |
| 37. 3*3 कोटि के ऐसे आव्युहो की कुल कितनी संख्या होगी जिनकी प्रत्येक प्रविष्टी 0 या 1 है | 512 |
| 38. अवकल समीकरण का समाकलन गुणक है | 1/X |
| 39. वक्र y = 2 x*x +3 sin x के x=0 पर अभिलम्ब की प्रवणता है | -1/3 |
| 40. secx का अवकलन होगा | Secxtanx |
| 41. बिंदु (1, 0, 2) का स्थित सदिश है | i+ 2k |
| 42. यदि f(x) और g(x) =2x+ 3 हो तो gof (x)=? | 2x*x+1 |
| 43 . a= 3i+2j+k; b= 4i-5j+3k हो तो a.b=? | 5 |
| 44. समाकलन होगा | X+k |
| 45. सारणिक के मान है | 0 |
| 46. समाकलन होगा | 1/3 tan (3x+5)+ K |
| 47. | -sinx ecosx |
| 48. अवकल समीकरण का समाकलन गुणक है | etanx |
| 49. यदि * संक्रिया a*b==3a+4b-2 से परिभाषित हो तो 4*5 है | 30 |
| 50. अवकल समीकरण की कोटि है | 2 |
| 51. dx का समाकलन होगा | x + K |
| 52. cot (tanx+cotx) का मान होगा | 0 |
| 53. cosecxdx का समाकलन होगा | Log tanx/2 + K |
| 54. log cos ex का अवकलन होगा | -extan(ex) |
| 55. किसी सरल रेखा के दिक् अनुपात 1, 3, 5 है तो रेखा की दिक् कोज्याए है | 1/root35 , 3/root 35, 5/ root 35 |
| 56. tan-1 root 3- cot का मान होगा | -π/2 |
| 58. मान लीजिये की समुच्य्य N में |
|
| 59. root of 1- sin2x का समाकलन होगा | Sinx+ cosx +K |
| 60. एक वर्ग आव्यूह है यदि | m=n |
12th Maths Objective Questions and Answers
Bihar Board will be provided the Answer Key in PDF format for Maths and other subjects. Students can download Answer Key PDF from the official website of the Bihar Board at www.biharboardonline.bihar.gov.in. Our team will be provided the unofficial maths answer Key for candidates appeared in the exam. They need to download and match your answers. For every correct answer awarded with one mark. Candidates can calculate the overall score in the exam by helping answer Key.
How to download the BSEB 12th Math, Physics, Chemistry, Biology Objective Answer 2020 Key Online
Step 1: Visit the official website of Bihar Board @biharboardonline.bihar.gov.in
Step 2: Check the latest announcements portal.
Step 3: Check the 12th Math Answer Key Link and open it.
Step 4: Choose your Paper SET and open it.
Step 5: Check to answer key details.
Step 6: Calculate marks and download Answer Key PDF.
✍Imp. UPDATE – If applicants have any query regarding Bihar Board 12th Math Objective Answer Key, Enter your question in the below comment box. ( You need to keep visiting this page for the BSEB Inter Answer key link etc.⟳???
| Answer Key Status | Available Here |
| Official Website | www.biharboardonline.bihar.gov.in |
