Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor. With radio waves distances can be short,suchasafewmetresfortelevisionremote control, or as far as thousands or even millions of kilometres for deep-space radio communications.
A man has 20 liters of pure alcohol. To make a 75% profit while selling it at the original cost price of alcohol, how many liters of water should he mix...
Cost price of an article is Rs X and marked price is 400% more than cost price. To gain profit of 100%, what percent of discount should be offered on th...
Cost price of a bag is Rs.820. The shopkeeper marked it 60% above the cost price and sold it after giving a discount of 25%. If the shopkeeper had sold ...
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 shopkeeper sets the marked price of an item at 50% higher than its cost price. He then offers two successive discounts of 20% and m% on the marked pri...
If a shopkeeper hikes the purchasing value of an item by 56% and gives it a discount of 56% on the face value for selling it, then know the total percen...
Pine Tree Publications sold a Textbook for Rs. 120 and made a profit of 25% on its CP and sold an Encyclopedia for Rs. 720 and made a profit of 15% on i...
Ratio of MP and SP of an article is 8:5 and the article is sold at 25% profit. Find cost price of article, if the selling price is 200 more than its CP?
A man lost 15% by selling a mobile for Rs.4,675. What will be his gain percentage by selling it for Rs.6,050?
On selling an article for ₹. 123.40, the gain is 20% more than the amount of loss incurred on selling it for Rs.108. If the article is sold for ₹.12...