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ATQ, Selling price of the bag = 0.75 × 10000 = Rs. 7500 Let the markup percentage be x% and the discount percentage offered be 2x%. Therefore, Marked price = 10000 + x% of 10000 = Rs. (10000 + 100x) Discount = 2x% of (10000 + 100x) Therefore, selling price = 10000 + 100x – 200x = 7500 Or, x2 + 100x – 2500 = 0 On solving, x = −100 and 10 Therefore, Discount percentage = 2x=20%.
191 341 221 331 251 281
97, 98, 107, 132, 181, 264
1080, 1058, 1016, 934, 772, 440
121, 240, 386, 555, 751, 976
850, 849, 841, 814, 750, 688
334, 301, 271, 251, 239, 233
Find the wrong number in the given number series.
231, 241, 233, 239, 235, 243
1582, 1616, 1658, 1708, 1756, 1812