Which law states that internal energy is a function of state and the increase in internal energy equals the sum of heat supplied to the system and work done by the system?
The first law of thermodynamics is a statement of the conservation of energy, indicating the relationship between internal energy, heat, and work.
If a person sold a table, 1.whose cost is Rs. _________ and, 2.sold at __________% profit 3. by giving the discount of _________%, then to find the ...
An article is sold for Rs. 450 at 40% profit when profit is calculated on selling price. Find the profit% on cost price?
Axe and Wye purchases the Bikes at same price and later on Zed purchase both the bikes at the same price of Rs. 72000. But the profit % of Axe was A% wh...
A Shopkeeper gives 4 articles free on the purchase of every 12 articles. He also allow a discount of 20% to customer and still earn 20% profit. Find the...
A bought a laptop for Rs.20000. He spent 20% of the amount that he had paid for buying it for its repair. He then sold the laptop to B and earned a prof...
A shopkeeper sold a jacket for Rs. 2500 at a loss of 20%. At what price should he have sold the jacket, to earn a profit of 20%?
An article Marked price is 30% above its cost price and it is sold at a discount of 10% making a profit of Rs.850.Then, what will be the selling price o...
A vendor priced an item 25% higher than its cost price. During the sale of the pen drives, if the seller enhances the discount from 15% to 20%, the prof...
A shopkeeper give 4 articles free on the purchase of every 12 articles. He also allows a discount of 25% to customer and still earns 20% profit. Find th...
When a shopkeeper sells 6 articles for Rs 30, he earns a profit of 25%. What will be his gain or loss percent if he sells 14 articles at Rs 61.60?
