Question

A faulty barometer shows 742 mm of pressure when actual pressure is 750 mm. At a pressure of 770 mm it shows 760 mm. When the barometer shows 742 mm, the actual pressure would be
(1) 758 mm (2) 765 mm (3) 761 mm (4) 751 mm​

Answer 1

Answer:

3 option

Explanation:

is right from my friend calculation