Multiple choice

Assume that there are 100 families in a country, the average per capita income of these families is Rs 10,000 and the average per capita income of 50 of these families is Rs 5000. The average per capita income of the remaining families is _____.

  1. Rs 5,000

  2. Rs 10,000

  3. Rs 15,000

  4. Rs 20,000
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Total income is 100 * 10,000 = 1,000,000. The income of 50 families is 50 * 5,000 = 250,000. The remaining 50 families have a total income of 1,000,000 - 250,000 = 750,000, so their average is 750,000 / 50 = 15,000.

AI explanation

The total income of all 100 families is 100 multiplied by Rs 10,000 = Rs 1,000,000, and the total income of the 50 specified families is 50 multiplied by Rs 5,000 = Rs 250,000. The total income of the remaining 50 families is Rs 1,000,000 - Rs 250,000 = Rs 750,000. Dividing this remaining income by the 50 families gives an average per capita income of Rs 750,000 / 50 = Rs 15,000.

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