Question
A trader mixes two types of sugar costing ₹42/kg and
₹60/kg in the ratio 3:2. He sells the mixture at ₹55/kg. What is his percentage profit?Solution
Cost price of the mixture per kg = (3 × ₹42 + 2 × ₹60) / (3 + 2) = (₹126 + ₹120) / 5 = ₹246 / 5 = ₹49.2. Profit = Selling price - Cost price = ₹55 - ₹49.2 = ₹5.8. Profit percentage = (₹5.8 / ₹49.2) × 100 ≈ 11.8% .
564.932 + 849.029 – 425.08 = 612.095 + ?
999.99 + 99.99 + 99= ?
A sum of ₹60,000 is invested at a compound interest rate of 'x%' per annum, compounded annually, and grows to ₹75,264 in 2 ye...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
³√? × 33.97 + 59.99 × 28.9 – 48.98 × 21.42 = 1085.344
1279.98 ÷ 40.48 × 10.12 = ? × 2.16
(124.901) × (11.93) + 219.95 = ? + 114.891 × 13.90
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
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