CSAT 2020

Q. If 1 litre of water weighs 1 kg, then how many cubic millimeters of water will weigh 0.1 gm?

(a) 1
(b) 10
(c) 100
(d) 1000
Correct Answer: (c) 100

Question from UPSC Prelims 2020 CSAT Paper

Explanation :

Cubic millimeters water in grams

We know that, 1 cubic millimeters = (10)^-6 liters
Or 1 liter = 10^6
cubic millimeters
Now, Weight of 1 kg or 1000 grams = 10^6
cubic millimeters
Then, Weight of 0.1 grams = 10^2 or 100 cubic millimeters

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