Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

The centre of the third figure is empty. What digit should fit inside?

What 5-letter word typed in all capital letters can be read the same upside down?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

10+10 and 11+11 can give you the same answer.

Explain how?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Replace the question mark with the correct number in the below-given picture?