How many liters of water must be evaporated from 50 liters of a 3% sugar solution to get a 5% sugar solution?

The average age of 16 members of a club is 22. If the minimum age requirement for being a member is 19 years,...

If the area of a right triangle is 6 square meters and the hypotenuse is 5 meters, what is the perimeter of th...

Three partners shared their profit in a business in the ratio 8 : 7 : 5. They had partnership for 7 months. 5...

If the average of 7 consecutive positive odd integers is P. Then what is the average of next seven consecutive...

Out of 120 students, 70% students passed in math and 80% students passed in English. If only 12 students faile...

A pipe fills a tank in P minuties and another pipe fills the tank in Q minutes. A different pipe makes the tan...