Question
If O is circumcentre of acute angled triangle ABC, if
∠ OBC = 180 then ∠BAC = ?Solution
∠ OBC = ∠ OCB= 180 as radius are equal. ∠ OBC+ ∠ OCB + ∠ BOC =180 0 180 + 180 + ∠ BOC =180 0 So, ∠ BOC = 144 0 Now, ∠ BOC = 2 ∠ BAC So, ∠ BAC = 1/2 of ∠ BOC = 1/2 of 1440 = 720
Marked price of an article is Rs.320 more than its cost price. If profit earned is equal to the discount given then find the profit earned?
- A merchant marked a product 30% above its cost price. If he sold the product at a 20% discount, what is the merchant's gain percentage?
A shopkeeper marked an article P% above its cost price and sold it for Rs. 748.8 after giving a discount of 20%. If the shopkeeper had a loss of 6.4% on...
A shopkeeper bought two articles for Rs. 200 each. If he sold one of them at 40% profit and the other at 25% loss, then find the difference between the ...
Item ‘X’ had a cost price of Rs. 800 and it was marked up by 25%. It was later sold after giving a discount of Rs. 40. Another item ‘Y’ was sold...
What will be the cost price of an Wheat bag if a shopkeeper initially marked it 75% above the cost price and then offered two successive discounts of 20...
If the cost price of 5 items is equal to the selling price of 8 items, then what will be the profit or loss percentage?
A shopkeeper sold a school bag at a profit of 42%. Had he sold the school bag at 22% profit he would have earned Rs.124 less. Find the cost price of the...
After selling 20 pens, a Shopkeeper earn a profit of the selling price of 6 books. While selling 20 books, a shopkeeper losses a selling price of 8 pens...
A shopkeeper sold an article for Rs. 600 after offering a discount of 40%. If he earned a profit of 50%, then find the ratio of cost price to the marked...
Relevant for Exams:
