Math Main Kyon Fail ho Gaye?

Father to his son: Math Main Kyon Fail ho Gaye?

Son: Teacher kehti hain k 3+5=8

Agly Din Kehti Hain k 4+4=8

Phir Kehti Hain k 6+2=8

Unko Khud he Confirm Nahi to Mujhe kya Paas Karengi...!