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