Multiple choice

In a party, the male to female ratio is 5 : 4. If a male contributes Rs. 20 and a female contributes Rs. 10, then what is the average contribution per person?

  1. Rs. 14.01

  2. Rs. 15.55

  3. Rs. 16.14

  4. Rs. 17.55

  5. None of these
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B Correct answer
AI explanation

Using the weighted average method, assume there are 5 males and 4 females, making 9 total people. The total contribution is (5 x 20) + (4 x 10) = 100 + 40 = 140. Dividing the total contribution by the number of people gives the average: 140 / 9 = Rs. 15.55.

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