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Let the original bill be Rs. x. After deduction of 20%, the remaining amount is Rupees 100. => x - 20% of x = 100 => x - (20/100)x = 100 => x - x/5 = 100 => 5x - x = 500 => 4x = 500 => x = 500/4 = 125 Therefore, the original bill is Rs. 125.
(96% of 1100) + 92 × 4 = ? + 46 × 16
(21% of 360) ÷ 0.8 =?
290 × 15 ÷ 5 + 34 + 50 = ?
If the weight of 1 liter of water is 1 kilogram, then the volume of 0.1 gram of water is how many cubic millimeters.
(6 × √361) × 2.5 = ? + 125
38 – 3 2 + 5 2 + 6 2 = ? × 6
85% of 620 + ? % of 1082 = 4855