Question
A trader marked an article 20% above its cost price and
sold it after allowing a discount of 10%. If the transaction resulted in a profit of Rs. 28, then find the cost price of the articleSolution
Let the cost price of the article be Rs. ‘x’ Marked price of the article = x × 1.2 = Rs. ‘1.2x’ Selling price of the article = 1.2x × 0.9 = Rs. ‘1.08x’ Profit = 1.08x – x = Rs. ‘0.08x’ ATQ; 0.08x = 28 So, x = 350 Therefore, cost price of the article is Rs. 350.
6 7 15 46 185 ?
...12 11 18 34 89.5 259.5
...Complete the series: 5, 20, 24, 6, 2, 8,?
Four terms are in proportion. The first, second and fourth terms are 4, 22, and 33. Find the third term.
2, A, 9, B, 6, C, 13, D, ?
3 4.5 6.75 10.125 15.1875 22.78125 ?
...12 10 13 18.5 25.50 ...
Find the maximum number of trees which can be planted, 25 meters apart, on the two sides of a straight road 2125 meters long
25 13.5 12.5 20.75 39.5 ? 302.25
...13 26 78 ? 468 936
...
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