In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

What is the next number in the series?

15 29 56 108 208 ?

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

Explain how?

Which number comes next in the number series?

2, 9, 30, 93, ?

When it's bad luck to meet a black cat?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Count the Triangle in the figure given below:

There is an ancient kingdom where every married woman keeps information regarding the fidelity of other men. However, what they don't know is the fidelity of their own husbands. Also, there is an ancient belief that they don't tell each other about the fidelity of their husbands.

On a certain day, the queen of the kingdom declares that she has identified at least one unfaithful man in the kingdom. She allows the wives to identify and gives them authority to kill their husbands if they are unfaithful at midnight.

How will the wives manage it?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.