## If 20% of an electricity bill is deducted, then Rs. 100 is till to be paid. How much was the original bill?

A. Rs. 115

B. Rs. 110

C. Rs. 125

D. None of these

### Answer

Correct Answer: **C. Rs. 125**

### Detail about MCQs

To solve this problem, let’s denote the original electricity bill amount as $x$.

If 20% of the bill is deducted, the remaining amount to be paid is $100$. This means 80% of the bill remains.

We can set up the equation as follows:

0.80×x=100

Now, let’s solve for $x$:

x=100/0.80=125

So, the original electricity bill was Rs. 125.

Therefore, the correct answer is C. Rs. 125.