Question
If the difference of two numbers is 4 and the difference
of their squares is 56, then the larger number isSolution
Let the numbers be a and b, where a > b According to the question, a – b = 4 …...(i) a2 – b2 = 56 (a + b)(a – b) = 56 (a + b) = 56/(a - b) = 56/4 = 14 a + b = 14 ……….(ii) Adding (i) & (ii), we get 2a = 18, a = 9
A salesman is allowed 32% commission on the total sales by him and a bonus of 3% on the sales over Rs. 15000. If the total earnings of a salesman is Rs....
A seller marked an item above its cost price and allows a discount of 25% on it. On the discounted price, the seller charges a packaging price which is ...
A shopkeeper purchased two items, A and B, at prices of Rs. 15x and Rs. 9(2Y - 15) respectively.He set the marked price of article A at (X + 20)% above ...
Ravi bought some premium pens at Rs. 30 per pen and some regular pens at Rs. 15 per pen. He mixed all of them and marked each pen at 60% above the avera...
A toy is sold for Rs. 900 at 50% profit when profit is calculated on selling price. Find the profit% on cost price?
Selling price of article ‘A’ when sold at a profit of 50% is Rs. 180 more than its selling price when sold at a loss of 40%. If the cost price of ar...
A shopkeeper purchases six small cold drink bottles for Rs. 100. For how much should he sell one such bottle to get a profit of 20%?
'G' labeled an item with a price tag that is 400% higher than its cost price and later sold it to 'A' at a discounted rate of 25%. This transaction resu...
A shopkeeper bought 60 pencils at a rate of 4 for Rs. 5 and another 60pencils at a rate of 2 for Rs.3. He mixed all the pencils and sold them at a rate ...
- Two goods, E and F, cost Rs. 400 and Rs. 600, respectively. If E is sold at a profit of 18% and F at a loss of 10%, determine the overall profit or loss.
Relevant for Exams:
