Question

Ek ladka 12km prati ghanta se chalta hai to school pahuchne me 20mnt lagta hai, to yadi usko 20mnt me school pahuchna hoto kitne ki speed se jana chahiye.

Answer 1

Answer:

12km/h

Step-by-step explanation:

D=S*T

D=12* 20/60

D=4km

S=D/T

S=4/20/60

S=12km/h