If 31% of an electricity bill is deducted, Rs 1794 is still to be paid. How much was the original bill amount?
Let the original bill amount = $$Rs. 100x$$
If 31% of an electricity bill is deducted, bill left = $$\frac{100 - 31}{100} \times 100x = 69x$$
According to ques, => $$69x = 1794$$
=> $$x = \frac{1794}{69} = 26$$
$$\therefore$$ Original bill amount = $$100 \times 26 = Rs. 2600$$
=> Ans - (B)
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