Question

A mixture of iquids P, Q and R, contains the three in the ratio 2: 4: 7 respectively.
P and Q are a ded till the ratio becomes 7: 4: 2. Find the ratio of the amounts of
P and Q added.
(a)
49:16
(6)
9:4
(c)
5:2
(d)
7:4​

Answer 1

Answer:

the correct answer is 9:4. (c)