What always comes into a house through the keyhole?

If a wheel has 54 spokes, how many spaces are there between the spokes?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

I have Rs.50 and I spend it in the way as below.

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

How many triangles are there on the puzzle below?

Identify The phrase in the picture.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

How can you write nineteen in a manner that if we take out one, it becomes twenty?