CAT Exam Model Paper 3 with solutions for free online practice

Question : 69 of 100

Marks: +1, -0

The ratio of petrol and kerosene in the container is 3 : 2 when 10 liters of the mixture is taken out and is replaced by the kerosene, the ratio becomes 2:3. The total quantity of the mixture in the container is

Your Answer:

Validate

Solution:

Petrol : Kerosene
3 : 2 (initially)
2 : 3 (after replacement)

{\Remaining (\or \left) \quantity}/{\Initial \quantity}

=( 1- {\replaced \quantity}/ {\total \quantity })

(for petrol)

2/3=(1-10/\K)

⇒

1/3=10/\K

⇒ K = 30 litre
Therefore, the total quantity of the mixture in the container is 30 litre.

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