Questions

Railway Coaches and wagons are manufactured in Perambur, Chennai.

A red flag with a diagonal white stripe indicates scuba diving.

And the alpha flag indicates that there is a diver inside.

SCUBA means Self Contained Underwater Breathing Apparatus.

The words do, does and did often cause confusion in the English language. They are all forms of the verb to do.

It is also common to use do, does and did as auxiliary verbs (or helping verbs) together with another verb in its base form. This is used to create negative sentences, questions, or for adding emphasis.

Examples :: 

* Russel did a great job on his debut match for team.

* Did you catch the train this morning?

* When did they arrive home?

IFSC stands for - Indian Financial System Code. This is a code uniquely identifies each bank branch participating in the two main Payment and settlement systems in India :

1. RTGS - The Real Time Gross Settlement  (and)

2. NEFT - The National Electronic Fund Transfer (NEFT) systems.

The main use of salt in the diet is to produce in small amounts the hydrochloric acid required for the digestion of food.

In the given puzzle,

The logic is in the format of lets say, a/b

In that case b doesn't matter, because

2/2 = 1,

6/5 = 6/2 = 3,

10/11 = 10/2 = 5

This means that equation is a/2

So 16/19 is equal 16/2 = 8.