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If a specific person is always selected, then there will be no total selection left as per the question. If the person is never selected, then he will be removed from all numbers. Total persons = 12-2= 10 People to be selected = 10C4 =10 ! / (10-4)! ×4! =10 ! /6! ×4! =10×9×8×7×6!)/4! ×6! =10×9×8×7)/4×3×2 =10×3×7=210.
P purchased a book from registered store and gets 20% discount while Q purchased the same book from a roadside stall and got 24% discount. If Q paid Rs....
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...
Amazon allows 15% discount to his customers and still earn 19% profit. If the production cost of the product is increased by 12% therefore Amazon issued...
A trader sells two chains for Rs. 4100 each, neither losing nor gaining in all. If he sold one of the chains at a gain of 25%, the other was sold at a ...
12% more is gained by selling a shirt for Rs. 4190 than by selling it for Rs. 3782. Find the cost price of the shirt.
A man purchase some lemons @ 1 lemon for Rs. 2 and same number of lemons @ 2 lemons for Rs. 1 and he sells all of them @ 4 lemons for Rs. 3. Find his pr...
A shopkeeper marks an article at 40% above the cost price and gives a discount of 20%. If the cost price of the article is ₹500, find the profit.
A shopkeeper marked an article P% above its cost price and sold it for Rs. 1150 after giving a discount of 20%. If the shopkeeper had a loss of 8% on th...
A bought an article at 12% less of the marked price and sold it at 10% more than the marked price. Find the profit earned by him.
Each of the articles is marked 80% above its cost price and a 30% discount was given on it while selling. The selling price of article A is Rs. 126 less...
