If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What does it mean?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10