The number of five–digit telephone numbers having at least one of their digits repeated is
The number of five–digit telephone numbers which can be formed using the digits of 0, 1, 2,...., 9 is 105. The number of five-digit telephone numbers which have none of their digits repeated is 10P5 = 10 × 9 × 8 × 7 × 6 = 30240 Hence the required number =105 - 30240 = 69760
A purchased an article for Rs 3500. She sold the article at 12% profit. She then added Rs 500 to the amount received and purchased a purse such t...
While selling a Bike, Neil gives a discount of 20% on the marked price. If he gives a discount of 24%, he earns Rs.70 less as profit. The marked price o...
The cost price of 24 articles is the same as the selling price of x articles. If the profit is 20%, then the value of x is
Profit percentage received on a product when sold for Rs.480 is equal to the percentage loss incurred when the same product is sold for Rs.300. Find the...
A shopkeeper sold a school bag at a profit of 55%. Had he sold the school bag at 35% profit he would have earned Rs.188 less. Find the cost price of the...
After allowing a 10% discount on the marked price of an article, a dealer makes a profit of 5%. What is the marked price, if the cost price of the artic...
A bought an article at 25% less of the marked price and sold it at 20% more than the marked price. Find the profit earned by him.
A shopkeeper sold a jacket for Rs. 2600 at a loss of 20%. At what price should he have sold the jacket, to earn a profit of 20%?
A’ and ‘B’ entered into a partnership by investing Rs. 9000 and Rs. 5200, respectively. If ‘A’ invested his sum for only 4...
By selling a Mobile for Rs. 3720 a shopkeeper gains 24%. If the profit reduced to 14%, then the selling price will be
