If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Can you place three balls such that the equation shown in the picture holds true?

I look at you, you look at me, I raise my right, you raise your left. What am I?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

By using 'because' continuously three times, can you make an English statement ?

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?

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?