Question

The vessels contain water and milk in the ratio 1: 2 and 2:5 are mixed in the ratio 1: 4
The resulting mixture will have water and milk in the ratio.​

Answer 1

Ist ratio. 1:2. Sum = 3

2nd ratio 2:5. Sum = 7

Sum not equal :therfore multiple ist by 7 & 2nd by 3

I.e 1*7 :2*7= 7:14 now sum =21

Also 2*3 :5*3 = 6: 15 also sum = 21

Now to make in ratio 1:4 multiple ist by 1 & 2nd by 4

I.e 7*1 :14*1 = 7:14

Also 6*4 :15*4 =24:60

Now simple add= 31:74 ans

Hope it helps