Question
If xi | fi , i = 1,2,...n is a frequency distribution
with standard deviation 15 and mean 30, the coefficient of variation will be equal to:Solution
The correct answer is D
A person bought an article and sold it at a loss of 20%. If he had bought it at 10% loss and sold it for 74 more, he would have gained 30%. Find the pro...
- If the total cost of 7 books and 5 pens is Rs. 350 and the total cost of 3 books and 2 pens is Rs. 160, then find the cost of 10 books.
A shopkeeper allows a discount of 10% on the marked price and still makes a profit of 20%. If the marked price of the article is Rs. 1,500, find the cos...
A person bought an article and sold it at a loss of 20%. If he had bought it at 10% less and sold it for 74 more, h would have gained 30%. Find the prof...
A shop owner buys six items and pays additional charges for delivery. He then sells each by marking up the price by 45% and applying a discount of 20%, ...
A businessman sold 2/5of his stock at a gain of 25% and the remaining at a gain of 20%. The overall percentage of gain is
Manav bought a laptop and sold it at a profit of 10%. Had he bought it for Rs. 500 less and sold it for Rs. 550 more, he would have earned a profit of 5...
After selling 15 chairs, a furniture shop earns a profit equivalent to the selling price of 3 tables. While selling 10 tables, the shop earns a profit e...
A trader marks up the price of an article by 40% and allows a discount of 25% on the marked price. If his profit is ₹30, find the cost price of the ar...
A milkman purchases 25 liters of milk from a dairy for Rs.800 and sells it at the rate of 33.50 per liter. What is the profit or loss %? (rounded off)
