Why 1729 is a magic number? Answer Logically.

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

What goes through cities and fields, but never moves?

Find the missing letter in the last circle logically in the given below picture.

What has a ring but no finger?

Bay of Bengal is in which state?

Imagine you are in a room with no windows or doors. How will you get out?