A concave lens is used to correct short-sightedness (myopia). In myopia, images are formed in front of the retina, resulting in a blurred image. This occurs when the eye is relativelytoolongortherefractivepowersofthe cornea and lens of the eye are relatively too strong.
18 kg of sugar costing Rs. 40 per kg is mixed with 12 kg of sugar costing Rs. z per kg. If the cost of the mixture is Rs. 45 per ...
A started a business with an investment of Rs 32,000. After 2 months B joins in with 5/8 of the amount that A invested and A withdraws Rs 4,000. After 2...
A shopkeeper sells an article for Rs. 506, earning a profit of 15%. If the same article is sold for Rs. 396, what would be the profit or loss percentage?
Anita bought a laptop for Rs. '9x'. She spent Rs. 'x + 600' on upgrading its hardware and sold it to Bob for Rs. '13x - 700'. Calculate the value of 'x'...
A ceramic bowl with a cost price of Rs. 200 is marked 40% above its cost price and sold after two successive discounts of Rs. 40 and 5%, respectively. F...
The price of a commodity was first increased by 25% and then decreased by 25%. If the new price of the commodity is Rs. 600, find...
A’ and ‘B’ entered into a partnership by investing Rs. 9000 and Rs. 5200, respectively. If ‘A’ invested his sum for only 4...
A shopkeeper marked his goods 32% above the cost price and earned a profit of Rs. 35 after selling it by giving a discount of 20%. Find the cost price o...
A loss of 15% is made by selling an article. Had it been sold for Rs.75 more, there would have been a profit of 10%. What would be the selling price of ...
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 ...
