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Question

Sameera spent 90% of her income and donated 3% for socially useful causes. If she left with ₹1750 at the end of the month, what was her actual income? ​
[2]

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Solution

Solution:
She spent 90% + 3% = 93% of her income.

The actual income will be represented as 100% in form of percentage.

Therefore, she is now left with 100% - 93% = 7% of her income.
[1 Mark]

Let her income be x.

According to the given information, ₹1,750 represents 7% of her actual income. This can be expressed mathematically as:

7100×x=1750

x=1750×1007

x=25,000.
[1 Mark]

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