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Start learning 50% faster. Sign in nowATQ, Let the four parts be x, y, z, and w. Denote the common result by k. From the conditions: 
Thus, we can express the parts in terms of k:
The sum of the parts is:
Simplifying this gives = 4k + k/2 = 45 Multiply the equation by 2 to get rid of the fraction = 8k+k = 90 Solving for 9k = 90 ⇒ k = 10 Finally, the first part x is = k − 2 = 10−2 = 8 Thus, the first part is 8.
A sold a toy to B at a profit of 15%. Later, B sold it back to A at a profit of 20%, thereby gaining Rs. 575. How much did A pay for the toy originally?
The difference between the cost price and sale price of an article is Rs.600 and the profit is 30%. Find the selling price.
A shopkeeper purchased an article for Rs. ‘a’ and marked it 135% above its cost price and sold it after giving two successive discounts of 200 and 2...
The cost of a taxi ride from Ahmedabad to Surat is Rs. 600 per person. The bus fare for one person on the same route is one-seventh of the total taxi fa...
A shopkeeper sold an article at the profit of 15% and also while weighing used a weight of 920 gms. in place of 1 kg. Find out his actual total profit%?
If the cost price of 5 items is equal to the selling price of 8 items, then what will be the profit or loss percentage?
The ratio of cost prices of two articles ‘A’ and ‘B’ is 5:1 respectively and the average cost price of articles ‘A’ and ‘B’ is Rs. 1200....
