Question 67

Sonu decided to donate 12% of her monthly income to a charitable trust. On the day of donation, she changed her decision and donates a sum of ₹2160 which is equal to 125% of what she decided to donate earlier. Her monthly income is:

Solution

Let her monthly income be 100x

she decided to donate 12% of the income

i.e, 12x

on the day of donation, she donates the sum of 2160 which is equal to 125% of the previous amount

i.e;

$$2160=\frac{125}{100}\times12x$$

solving, we get

x=144

so now the monthly income is 100x = 100(144)

=14400

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