SSC Selection Post 2022 PYQ — Question 68

SSC Selection Post - Matriculation Level 2022 - 3 Aug 2022 - Shift 1 • Quantitative Aptitude • Q68

If 10% of an electricity bill is deducted, Rs.45 is still to be paid.The bill amount is ________.

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. Rs.50.

The original bill amount be ₹x

10% is deducted → You pay 90% of the bill

 90% of x = ₹45

⇒  0.90x = 45 / 0.90x = 45

x = 450.90=50\frac{45}{0.90} = 50