The height of a mercury barometer is 75 cm at sea level and 50 cm at the top of a hill. Ratio of density of mercury to that of air is 10. The height of the hill is

The height of a mercury barometer is 75 cm at sea level and 50 cm at t

1.	The height of a mercury barometer is 75 cm at sea level and 50 cm at the top of a hill. Ratio of density of mercury to that of air is 10. The height of the hill is
Answer» `250 m` `2.5 KM` `1.25 km` `750 km` ANSWER :B