Question
A shopkeeper marked his goods 30% above the cost price
and earned a profit of Rs. 14 after selling it by giving a discount of 22%. Find the cost price of the articleSolution
Let cost price of the article is Rs. ‘x’ Marked price of the article = 1.3 × x = Rs. 1.30x Selling price of the article = 0.78 × 1.30x = Rs. 1.014x So, 1.014x – x = 14 Or, 0.014x = 14 Or, x = 1000 So, cost price of the article = Rs. 1000
A-5,  A,  35,  52, 78, 115
30, 42, 48, 54, 65, 81, 126
- Find the wrong number in the given number series.
25, 34, 18, 34, 9, 46 Find the wrong number in the given number series.
32, 48, 72, 108, 162, 245
Find the wrong number in the given number series.
1600, 800, 1200, 400, 100 , 12.5
547, 594, 640, 691, 741, 792
Find the wrong number in the given number series.
26, 38, 60, 110, 206, 398
75, 450, 225, 1330, 675, 4050
Find the wrong number in the given number series.
8, 12, 23, 40, 66, 103
62, 79, 98, 119, 142, 165