If x1, x2,.....xn are non−negative real numbers, then their
Solution For non−negative real numbers, geometric mean is always less than or equal to arithmetic mean. The condition for equality holds only when all the numbers are identical.
Ratio of the cost price of article ‘A’ to ‘B’ is 5:6, respectively. Article ‘A’ is marked up by 30% above its cost price and then sold at a ...
The cost price of two dozen bananas is Rs. 96. After selling 18 bananas at the rate of Rs. 36 per dozen, the shopkeeper reduced the rate to Rs. 24 per d...
One article is sold at 16% profit while other is sold at 5% loss such that the difference between their selling prices is Rs. 126. If the cost price of ...
A school bag is sold for Rs.540 after giving two successive discounts of 10% and 20%. If school bag is marked up by Rs.480 above its cost price, then fi...
A dishonest shopkeeper makes a cheating of 25% at the time of buying the goods and 37.5% cheating at the time of selling the goods. He promises to sell ...
A purchased an article and sold it to B at 25% profit. B marked it up by 20% above the price at which A has purchased it and then sold it after giving a...
A retailer set the price of a toy at 20% higher than its cost price and sold it to 'R' with a 25% discount. 'R' then spent Rs. 80 on repairs and sold th...
A loss of 10(1/2)% gets converted into a profit of 11(3/5)% when the selling price is increased by Rs132.60. The cost price (in Rs) of the article is:
X labeled an item with a 60% markup on the cost price and sold it for Rs. 480 after applying a 25% discount. Calculate the percentage profit earned by X...
If the ratio of marked price and selling price of an article is 13:10. Shopkeeper earned 25% profit. If the difference between marked price and cost pr...
