A spherical metallic shell with 6 cm external radius weighs 6688 g. What is the thickness of the shell if the density of metal is 10.5 g per cm3
Which of the following types of virus, also known as spacefiller virus,infects a file using empty sections?
A merchant has two types of sugar. Type A costs 50 per kg, and Type B costs 70 per kg. In what ratio should the two types be mixed to get a mixture that...
What will be the compound interest on a sum of Rs 22,000 after 3 years at the rate of 6 percent per annum?Â
A certain sum of money becomes Rs. 1900 in 1 year and 2600 in 3 years at certain rate of simple interest. Find the sum of money invested.
A and B together can complete a task in 12 days. A alone can complete the task in 20 days. In how many days can B alone complete the task?
In a triangle ABC, the internal bisector of ∠A meets side BC at D. If AB = 6 cm, AC = 9 cm, and BC = 12 cm, what is the length of BD?Â
A boat can travel 225 km downstream in 5 hours. If the speed of the boat in still water is 7 times the speed of the stream, how m...
The current age ratio of Q to P is 5:3. If Q is 8 years older than P, determine the ratio of their ages after 8 years.