'Profesor to studnts:
1 Platform 2 km lamba hy
Aandhi chal rahi hy 60km/h ki speed se,
Ek train ayi or mashriq se maghrib ki taraf chali gayi.

To Sawal ye hy k:
Meri umar kitni hy?


Sab bachay heraan ho k 1 dusre ki shakal dekhne lagay

Ek Student ne jawab dene k liye hath uthaya


Studnt:
Sir apki umar 42 sal hy

Profesor:
Gud, lekin tumne kese calculate kia?

Studnt:
Sir hamare ghar k pas 1 Admi rehta hy, wo adha pagal hy or uski umar 21 saal hy .'