D 1= 180 Km, S1= 20 Km/hr, D2= 100 Km, S2 = 20 Km/hr, D3= 40 Km, S3= 20 km/hr. T1 = Distance/Speed = 180/20 = 9hr T2= Distance/Speed = 100/20 = 5hr T3= Distance/Speed = 40/20 = 2hr Average speed = Total distance/Total time = 320/16 = 20 km/hr
Which of the following is the most reactive element in the Periodic table?
Why is diamond significantly harder than graphite?
Gunpowder consists of a mixture of:
Ultra-purification of metals is achieved using:
How many carbon atoms are present in a molecule of propene?
Pepperonil, ethyl acetate, butyraldehyde and nitrate are some common adulterants used in ____________
Which vitamin is water-soluble?
What is the common name for Calcium Sulfate Dihydrate?
Which of the following rock is not a sedimentary rock?
What type of glass is used in the manufacturing of cooking utensils?