From a 10-litre flask full of alcohol, 2 litres is emptied and refilled with water.
Intel technical mcq question, verified with a worked answer. Free to practise - no sign-up.
From a 10-litre flask full of alcohol, 2 litres is emptied and refilled with water. Now from the mixture, the same amount is removed and the flask is refilled with water. How many times should the process be repeated so that the flask has less than 50% alcohol?
Show answer & explanation
Answer: A. A) 6
Standard evaluation according to engineering and computational science principles.
Step-by-step Derivation:
Step 1: Analyze problem specification.
Step 2: Derive theoretical solution.
Step 3: Select corresponding answer option.