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How to Download WBCHSE Semester 3 Answer Key PDF
The council has put the West Bengal HS Semester 3 Answer Key 2027 for every subject in one PDF, from Bengali (A) and English (A) to Mathematics, Physics and the vocational papers. It was issued with notice No. L/PR/422/2026, dated October 14, 2026.
- Visit the official website, wbchse.wb.gov.in.
- Open the Notifications section on the homepage.
- Click the answer key notice dated October 14, 2026.
- Download the PDF and save a copy.
WBCHSE Semester 3 Answer Key PDF Download Link & Summary
Official WBCHSE Semester 3 Answer Key PDF Download Link
| Subject (code) | Page No. in PDF | Total No. of Questions |
|---|---|---|
| WBCHSE Semester 3 Physics Answer Key PDF (PHYS) | 18 | 35 |
| Class 12 3rd Semester Chemistry Answer Key PDF (CHEM) | 29–30 | 35 |
| Class 12 3rd Semester Math Answer Key PDF (MATH) | 34–35 | 40 |
| Semester 3 Biology Answer Key PDF (BIOS) | 55 | 35 |
How to Read the Class 12 3rd Semester Answer Key
Each row gives a subject serial, a four-letter subject code, four set columns (A to D) and the answer. The same question carries a different number in each set. In Mathematics (MATH), Question 1 of Set A appears as Question 21 in Set B, Question 6 in Set C and Question 16 in Set D. Its answer is C.
Find your set’s column, locate your question number and read the answer at the end of that row.
The Mathematics key covers 40 questions. Physics (PHYS), Chemistry (CHEM) and the Semester 3 Biology answer key, listed as Biological Science (BIOS), cover 35 each.
Some rows accept more than one option. Question 22 of English (A), Set A, accepts A and C, while Question 26 of the same set is marked “No correct option”.
West Bengal HS Semester 3 Answer Key 2027 Challenge: Dates and Fee
- The challenge portal opens on October 27, 2026 at 23.59 hours.
- It closes on October 30, 2026 at 23.59 hours.
Examinees must submit the challenge petition online with a fee of Rs 200 per question per subject. Subject experts engaged by the council will verify each challenge. If they agree with it, the council will refund the fee directly to the examinee’s bank account.
The notice covers regular Semester III examinees and those who took Semester III of the HS Examination 2027 as a supplementary examination. It does not give a date for the final West Bengal HS Semester 3 Answer Key 2027.
