The expenses of an orphanage are partly constant and partly vary as the number of boys in the orphanage. The expenses were Rs.10000 for 150 boys and 8400 for 120 boys. Find the expense for 330 boys.

19600

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16900

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22500

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21600

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Solution

The correct option is A 19600
Option (A) is the correct answer. Check the video for the approach.

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Similar questions

Q. The expenses of an orphanage are partly constant & partly vary as the number of boys in the orphanage. Then expenses were Rs. 10000 for 150 boys and 8400 for 120 boys. Find the expense for 330 boys?

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$∴ x + 4 y = 10, 400$ and $x + 7 y = 15, 800$ .

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The expenses of an orphanage are partly constant and partly vary as the number of boys in the orphanage. The expenses were Rs.10000 for 150 boys and 8400 for 120 boys. Find the expense for 330 boys.

The correct option is A 19600Option (A) is the correct answer. Check the video for the approach.

The correct option is A 19600
Option (A) is the correct answer. Check the video for the approach.