1
Let S be the set of the first 11 natural numbers. Then the number of elements in A = \B S : n(B) 2 and the product of all elements of B is even\ is .
JEE Main 2026 (Online) 22nd January Evening Shift
Previous year questions with solutions · 2025 – 2026
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 2 | 19 | 0.11 | 0.42% ↓36.8% |
| 2025 | 2 | 12 | 0.17 | 0.67% |
Let S be the set of the first 11 natural numbers. Then the number of elements in A = \B S : n(B) 2 and the product of all elements of B is even\ is .