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Let the cost price of the article be Rs. 100x Therefore, selling price of article = Rs. 155x Therefore, profit earned = 155x – 100x = Rs. 55x New profit = 3.24 × 55x = Rs. 178.2x According to the question, (178.2x/100x) × 100 = 100x Or, x = 1.728 Therefore, actual cost price = 100x = Rs. 172.8
26, 38, 60, 110, 206, 398
Find the wrong number in given number series.
3230, 3198, 3090, 2083, 2334, 1430.
120, 146, 198, 276, 372, 510
1320, 1352, 1390, 1436, 1488, 1548
7, 78, 324, 900,1855, 3128
132, 231, 396, 620, 924, 1287
3 5 9 17 32 65
...43, 42, 41, 39, 33, 10