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?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Can you find a rabbit in the given picture?

Why is the Hole below a Lock?