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ATQ,
Let the selling price of the item be Rs. 6z. So, the marked price of the item = 1.5 × 6z = Rs. 9z. And, the cost price of the item = 0.4 × 9z = Rs. 3.6z. Profit earned = 6z - 3.6z = Rs. 2.4z. Therefore, the required profit percentage = (2.4z / 3.6z) × 100 = 66.67%.
25 13.5 12.5 20.75 39.5 ? 302.25
...362 284 393 451 144 221
...100, 110, ?, 171.6, 240.24, 360.36
31 48 67 90 ? 150
8 24 12 ? 18 54
D irection: Which of the following will replace ‘?’ in the following series.
543,’?’, 564 ,588, 660
...112 ? 336 840 2520 8820
...3601 3602 1803 604 154 36
...18, 32, 50, 82, 132, ?
9, 21, 67, 273, 1371, ?
