Multiple choice general knowledge math & puzzles

If one third of a tank holds 80 litres of water, then the quantity of water that half of the tank holds is?

  1. 120

  2. 140

  3. 100

  4. 80
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A Correct answer
Explanation

If 1/3 tank = 80L, then the full tank capacity is 80 * 3 = 240L. Half of the tank is 240 / 2 = 120L. 140 and 100 are incorrect proportions, and 80 is only one-third.

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