Question

A liquid 'P' is 1 times as heavy as water and water
is 1 times as heavy as another liquid 'Q'. The amount of
liquid 'P' that must be added to 7 liters of the liquid 'Q' SO
that the mixture may weigh as much as an equal volume
of water will be
(1) 7 litres
(2) 31/6 litres
(3) 5 litres
(4)14/3litres
​

Answer 1

Answer:

14/3litres 31/6litres