Can it be possible to build a house that has all its four walls facing towards the South?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

Which letter of the alphabet has the most water?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Take away the whole and some still remain. What is it?

What goes up but never comes down?