A vehicle travels at a speed of 'u' km/hr. After 2.5 hours, it increases its speed to (u + 12) and travels for another 1.5 hours. If the ratio of the distance covered in the first 2.5 hours to that in the next 1.5 hours is 5:3, find the total distance covered by the vehicle.
ATQ, 
Manganite is an ore/mineral of
Which metal is extracted from seawater?
Which of the following is a physical change?
Bronze is an alloy of-
_________is the process in which acids and bases react to form salts and water.
The nucleus of an atom consists of-
The major component of honey is-
Alum stops bleeding in minor cuts because of
Milk tastes sour when kept in the open for sometimes due to the formation of-
Petroleum is a mixture of-
