Question
An article is marked 35% above its cost. If a profit of
20% is earned by selling the article, then the discount per cent offered on the marked price of the article is:Solution
Let the cost price be Rs. 100x Marked price = Rs. 100x × (135/100) ⇒ Rs. 135x Selling price = Rs. 100x × (120/100) ⇒ Rs. 120x Discount = Rs. (135x – 120x) ⇒ Rs. 15x Discount% = (15x/135x) × 100% ⇒ 100/9%
169, 224, 293, 385, 497, 629
Find the wrong number in the given number series.
20, 33, 50, 69, 93, 121
25Â Â Â 26Â Â Â Â 28Â Â Â Â 32Â Â Â Â 42Â Â Â Â 56
Find the wrong number in the given number series.
8, 12, 23, 40, 66, 103
8137, 5405, 3669, 2701, 2201, 1997
Find the wrong number in the given number series.
78, 66, 51, 39, 20, 12
2824Â Â Â Â 2314Â Â Â Â Â 1973Â Â Â Â 1759Â Â Â Â 1634Â Â Â Â 1574
In each of the following number series, one term is wrong. Find the wrong term.
3, 7, 13, 21, 31, 42, 57
Find the wrong term in the given series below.
2847, 2954, 2799, 3088, 2727, 3256
Find the wrong number in the given number series.
2, 5, 10, 17, 26, 38, 50
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