On the surface of the Earth, the escape velocity is about 11.2 kilometers per second 06.96 mi/s), which is approximately 34 times the speedof sound(Mach34) andseveral timesthemuzzlevelocity ofarifle bullet (up to 1.7 km/s). However, at 9,000 km altitude in "space", it is slightly less than 7.1 km/s. In physics,escapevelocityisthespeedatwhichthe kinetic energy plus the gravitational potential energy of an object is zero.
A shopkeeper marks the price of the article in such a way that after allowing 28% discount, he wants a gain of 12%. If the marked price is ₹224. then ...
A product costs a company Rs 120 to manufacture and it sold the product to a dealer for Rs 140, who is turn sold it to a shopkeeper for Rs 170, who sold...
A person bought an article and sold it at a loss of 20%. If he had bought it at 10% loss and sold it for 74 more, he would have gained 30%. Find the pro...
Find the profit percentage earned on a school bag if it was sold at Rs.1548 after offering a discount of 10% and the marked price of a school bag is Rs....
A bought an article at 40% less of the marked price and sold it at 35% more than the marked price. Find the profit earned by him.
A dishonest seller, at the time of selling and purchasing uses weight 22% less and 30% more per kg respectively. Find the approx. percent profit earned ...
The cost price of orange juice in bottle P is Rs. 68 per liter, and the cost price of orange juice in bottle Q is Rs. 48. When the orange juice in bottl...
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 man bought two properties. The cost of the first property is 60% of the cost of the second property. He sold the first property at a profit of 25% an...
A shopkeeper bought article ‘A’ for Rs. ‘x’ and marked it 25% above its cost price and sold it for Rs. 2600. Marked price of article ‘B’ is ...
