Class 11

Math

Co-ordinate Geometry

Straight Lines

$(11,13),?,(23,29),(31,37),(41,47)$.

- $(13,17)$
- $(19,21)$
- $(17,19)$
- $(13,18)$

**Correct Answer: ** Option(c)

**Solution: **Prime numbers after $13$ and before $23$ are $17,19$

$∴$Pair of prime numbers which are missing $(17,19)$.