If eleven plus two equals one, what does nine plus five equal?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

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

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

Can you find the thief by just looking at the picture below?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Find the missing letter in the last circle logically in the given below picture.

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?