Question

Mohan needs to mix 3 litres of pineapple juice with 6 litres of guava juice to get the mixed juice he wants.If he uses 9 litres of guava juice,how much pineapple juice does he need?

Answer 1

3/6

therefore 1:2 is the proportion.

So, Mohan needs 4.5 litres of Pineapple juice.

Answer 2

when mohan mixes 3litres og pineapple juice with 6 litres of guava juice he gets the desired mixed juice.

therefore ratio in which he mixed the juices =3/6=1/2

now he had used 9 litres of guava juice

let x litre of pineapple juice is used to  mix with 9 litre of guava juice.

according to the problem,

x/9=1/2

x=1/2*9

  =9/2

  4.5litres of pineapple juice is required to mix with 9 litre of guava juice

Hope answer was useful!!!