There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Tell me the Hindi name of a Vegetable which if we remove 1st word will become a precious Stone and by removing the last word it will become a sweet eatable.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

In the image below, can you find the value of an angle(y)

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

How can you tell a raw egg from a hard-boiled egg?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes