# Mohan decided to donate 18% of his monthly income to an orphanage on the day of donation, he changes his mind and donated a sum of Rs.5400 which was e

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Mohan decided to donate 18% of his monthly income to an orphanage on the day of donation, he changes his mind and donated a sum of Rs.5400 which was equal to 75% of what he had decided earlier. What is 33% of his monthly income ?
1. 13200
2. 14014
3. 15000
4. 15230

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Correct Answer - Option 1 : 13200

Given:

Mohan decided to donate 18% of his monthly income to an orphanage on the day of donation, he changes his mind and donated a sum of Rs.5400 which was equal to 75% of what he had decided earlier.

Concept used:

Percentage

Calculation:

Let monthly income of Mohan be Rs.x

Donation to the orphanage = $\frac{{18x}}{{100}}$

As per the question,

⇒ $\frac{{18x}}{{100}} \times 75\% = 5400$

⇒ $\frac{{18x}}{{100}} \times \frac{3}{4} = 5400$

⇒ x = 40000

33% of his monthly income = 33% of 40000

⇒ $\frac{{33}}{{100}} \times 40000 = Rs.13200$