Can you name some countries which do not have the alphabet 'A' in them?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Find out the number of circles in the given picture having Illusion

How can you leave a room with two legs and return with six legs?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Can you fill the blank with the correct number?

6 30 870 756030 _____

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

O T T F F S S ?