Professor to Students: "1 pl
atform 2km l
amb
a hy,
aandhi ch
al r
ahi hy 60km/h ki speed se,
aur 1 tr
ain
aai
aur m
ashriq se m
aghrib ki t
ar
af ch
ali g
ayi. tou
ab s
aw
al yeh hy k meri um
ar kitni hy?"
S
aar
ay Students h
air
aan ho k
ar
aik doosre ki t
ar
af dekhne l
ag
ay, 1 Student ne j
aw
ab dene k liye h
aath kh
arr
a ki
aa.
Student: Sir
apki um
ar 42 s
aal hy.
Professor: Good, lekin tum ne kese c
alcul
ate ki
aa?
Student: Sir hum
are gh
ar k p
ass 1
aadmi reht
a hy, woh h
alf ment
al hy
aur uski um
ar 21 s
aal hy....