Multiple choice general knowledge math & puzzles

Tony and Tommy have been experimenting with balloons. They found that if they fill 5 balloons with helium, they can use the balloons to lift 50 pounds. Three of the same balloons filled with hydrogen lift 60 pounds. Ten filled with neon lift 20 pounds. How many pounds could the men lift with 5 neon, one hydrogen, and two helium balloons?

  1. 30 Pounds

  2. 40 Pounds

  3. 50 pounds

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

1 Helium balloon lifts 10 lbs (50/5). 1 Hydrogen lifts 20 lbs (60/3). 1 Neon lifts 2 lbs (20/10). Total lift = (5 * 2) + (1 * 20) + (2 * 10) = 10 + 20 + 20 = 50 pounds.

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