Question: If 10 % of an electricity bill is deducted, 45 is still to be paid. How much was the bill?
Options:
(A) 50
(B) 60
(C) 55
(D) 70
(E) None of these Random thoughts:
Let the bill be x. Then
90% of x = 45
x = 45100/90 = 50 The final answer: (A).