Multiple choice

Eight people are planning to share equally the cost of a rental car. If one person withdraws from the arrangement and the others share equally the entire cost of the car, then by how much percentage is the share of each of the remaining persons is increased in terms of original share?

  1. 16.29 %

  2. 15.29 %

  3. 14.29 %

  4. 13.29 %
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let total cost be C. Original share = C/8. New share = C/7. Increase = (C/7 - C/8) / (C/8) = (1/56) / (1/8) = 8/56 = 1/7 = 14.2857%.

AI explanation

Assume the total cost of the rental car is 56, so the original share for each of the eight people is 7. When one person withdraws, the remaining seven people must pay 8 each. The increase in each person's share is 1, and the percentage increase is calculated as 1 divided by 7 multiplied by 100, resulting in 14.29%.

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