Question
Find the angle between the lines whose direction ratios
are a, b, c and b − c, c − a, a − b.Solution
Roshan purchased 100 rolls of paper for Rs. 24 per roll. He spent Rs. 200 on their transportation. He also paid 20 paise per roll for packing of each ro...
- An individual purchased a bike for Rs. 25,000 and a helmet for Rs. 1,500. He sold the bike at a loss of 12% and the helmet at a profit of 20%. Calculate th...
A merchant sells two items, 'X' and 'Y'. The cost price ratio of item 'X' to item 'Y' is '3:5'. The profit earned on selling item 'X' is 35%, while on i...
A shopkeeper marked an article ‘A’ 20% above the cost price and sold it for Rs. 6048 after giving a certain discount while he sold an article ‘B�...
A shopkeeper claims to incur a loss of 20% but uses a weight of 640 grams in place of 1kg  If the CP of the rice is Rs 80/kg , what will be the % of a...
An article with a cost price of Rs. 400 is marked up by 40% above its cost price and sold after a discount of 15%. Calculate the ...
- A trader pretends to sell sugar at cost price but uses a weight of 'X' grams instead of 1,000 grams. If the profit percentage earned is (300/17)%, then wha...
A person purchased some identical gadgets (having equal price) for Rs. 6,000. He sold one-third of them at a 12% loss. At what profit percentage should...
Tarun bought a Toaster for Rs. 24000. After one year he sold it to Lalit at 10% less of his cost price. Lalit spends extra Rs. 400 for its repair. And ...
A shopkeeper offers a 10% discount on an article and still manages to earn a 12% profit. If the marked price of the article is Rs. 2800, calculate the c...
Relevant for Exams:
