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According to the question, 9000 – 6000 = (6000 × r × 24) ÷ (12 × 100) Or, 3000 = 120 × r Or, r = 25 When the sum is invested at compound interest, Effective rate of interest = (r + 20) ÷ 3 = (25 + 20) ÷ 3 = 15% Effective time period = 1 × 3 = 3 units Amount received = Principal × {1 + (r/100)}time period = 6000 × {1 + (15/100)}3 = 6000 × (1.15)3 = 9125.25
If a + b + c = 0, then what is the value of a3 + b3 + c3 - 3abc?
If 120 liters of milk solution contains 60% milk, how much milk should be added to make the solution 80% milk?
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In what ratio rice at 34 Rs/kg should be mixed with the rice at 27 Rs/kg so that selling mixture at Rs 39 per kg gives the profit of 30% if the quantity...
A vessel contains some milk .6 liter of the milk was taken out of the vessel and replaced with 6 liter of water and again 6 liter of mixture was taken o...
Cost of two types of pulses is Rs.15 and Rs, 25 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
