# A chemist mixes two liquids 1 and 2 | Quantitative Aptitude – Arithmetic – Mixture

## CAT 2019 – Slot -1 - Question 2 - A chemist mixes two liquids 1 and 2...

##### Q. 2: A chemist mixes two liquids 1 and 2. One litre of liquid 1 weighs 1 kg and one litre of liquid 2 weighs 800 gm. If half litre of the mixture weighs 480 gm, then the percentage of liquid 1 in the mixture, in terms of volume, is
1. 70
2. 80
3. 75
4. 85

Solution: weight of half litre of the liquid 1 and liquid 2 will be 500 and 400 gm respectively.

So required ratio of liquid 1 an 2 in mixture =(480n-400)/(500 -480) =80/20 = 4:1

So the percentage of liquid 1 in the mixture= 4/(4+1) *100 = 80

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