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Quantity of acetone in mixture Y = 70 × 5/14 = 25 litres Quantity of glycerine in mixture Y = 70 – 25 = 45 litres After addition of 6 litres of acetone, New ratio of glycerine to acetone = 45:(25 + 6) = 45:31
56. 23 45 89 177 363 705
...Find the maximum number of trees which can be planted, 25 meters apart, on the two sides of a straight road 2125 meters long
49 84 119 154 189 ?
48 83 118 153 188 ?
800 400 600 1500 ? 23625
...5, 14, 41, 122, 365, 1094, ?
102, 246, 442, 698, 1022, ?
61, 48, ?, 35, 87, 22
48 24 72 18 90 ?
6000 3002 1503 ? 378.75 191.375 97.6875
...