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?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

What is black when you buy it, red when you use it, and gray when you throw it away?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

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?

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?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

What part of the chicken has the most feathers?

Can you count the number of lines in the below picture?