Question
Profit percentage received on a product when sold for
Rs.550 is equal to the percentage loss incurred when the same product is sold for Rs.420. Find the selling price of the product if the shopkeeper wants to have a profit of 20%.Solution
Let the cost price of the article be Rs.x. According to the question, => 550 – x = x – 420 => 2x = 970 => x = 485 Selling price of the product at profit of 20% = 485 x 1.2 = Rs.582
Which one amongst the following is not a Green House gas?
The acid used in lead storage cells is-
The element used for making solar cells is
The important ore of aluminium is-
Milk tastes sour when kept in the open for sometimes due to the formation of-
Which one amongst the following is not a Green House gas?
_________is the process in which acids and bases react to form salts and water.
The element used in the manufacture of safety matches is —
The chemical name of'Common salt’
The pH of a neutral solution is —