• Rational number is which can be expressed in p/q form.
• Irrational is that which cannot be expressed in p/q form.
• Imaginary is the square root of the negative integer and is used to solve complicated problems.

SIMILARLY,

• Customs which are rational: Some customs can be easily accepted like, the marriage rituals in our country are very touching and are of great significance because therein lie the ex-pression of sentiment for the bond of a male and female who has to bear children and run a family as a UNIT.

MARRIAGE INSTITUTION IN INDIA 

 IS

VERY POWERFUL  AND HEART TOUCHING..!

• Customs which are irrational: The people who introduced customs like sati, animal slaughter etc. have their own logic to explain its significance; but still, can we accept them?! Surely the answer will be NO!!
• Customs which are imaginary: The people who have great importance and regards for paractices like telepathy, metaphysics etc. are included in this society.

INDIA EXCELS IN THIS PHENOMENA

There can be no Mathematics if we want to exclude any one among rational, irrational and imaginary. Surprisingly, the same applies with the Customs of any society. The Truth is that even those irrational customs cannot be eradicated; but they can be transformed to other forms of acceptable customs.