Sam gives a head start of 10 seconds to John means John starts 10 seconds before Sam.
True
False
For a linear/straight track, if X gives a head start of 10 seconds to Y means Y starts 10 seconds before X. So the given statement is true.
Ankit gives a head start of 15 seconds to Sunal means Sunal starts 15 seconds after Ankit.
Kenneth explained about the most important component of air to John and Sam. John was satisfied with the answer but Sam wanted to add some more information to it. Sam further elaborated the properties of the most important component of air. He said, it is not only used by living organisms during respiration but it also supports_____________.
John and Sam were soon joined by their common friend Kenneth. Kenneth got to know about the discussion John and Sam were having. He too wanted to share some of his knowledge about air and asked to join the conversation. Sam and John both welcomed him and started firing questions on him.
Sam: Kenneth, do you know about the composition of air?
Kenneth: Yes, I do! it is a mixture of gases, water vapour and dust particles.
Sam: Fine, can you tell us its composition?
Kenneth: Hmmm, I am not sure about that.
Sam: Okay, just tell us the major components of air.
So can you answer the last question that was asked to Kenneth?