I am a prime number.
The double of myself is equal to the square of me.

which number am I?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

Can you decipher the two rows to find the hidden word?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

How can one talk without saying a single word?

What is the end of everything?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

Can you divide the below-given shape into four equal and identical pieces?