Can you spot the hidden girl in the picture below?

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?

Solve this riddle by finding the odd one out from the rest.

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

If an electric train is travelling south, then which way is the smoke going?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

What does Alexander the Great and Winnie the Pooh have in common?

If 21x = 79x, what is the value of x?