Question
A shopkeeper bought an article for Rs. 300. He sold it
at profit 15% after allowing a discount of 20%. If instead he had sold it at 20% discount, then find the new selling price of the article.Solution
Selling price of the article = 300 × 1.15 = Rs. 345 Marked price of the article = 345 ÷ 0.8 = Rs. 431.25 New selling price of the article = 431.25 × 0.8 = Rs. 345
134, 138, 132, 142, 126, 146, 122
Find the wrong number in the given number series.
4, 8, 24, 84, 480, 2880
12, 27, 44, 68, 94
Find the wrong number in the given number series.
 289, 274, 260, 247, 235, 225
Find the wrong number in the given number series.
24, 360, 629, 3148, 15742
4, 5, 12, 39, 160, 806
Find the wrong number in the given number series.
3, 8, 15, 24, 35, 50, 63- Find the wrong number in the given number series.
50, 64, 90, 134, 190, 260 - Find the wrong number in the given number series.
25, 36, 50, 68, 92, 120 12, 14, 18, 26, 38, 64