Question

Of an amount 20% of 25% of 30% of a number is Rs 75 .then what is the original amount

Answer 1

Let the no be x.

By question, 20%of25%of30%of x=Rs 75.

Or, 20% of 25%of (30x/100)= Rs 75

Or, 20% of 25%of3x/10=75

Or, 20% of[25*3x/1000]=75

Or, 20%of[75x/1000] =75

Or, 20*75x/100000=75

Or,1500x=75×100000

Or, 15x=75000

Therefore , x=Rs 5000.