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

which number am I?

Can you find out the remainder when 3^300 is divided by 5?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Find out the missing number in the picture attached:

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What number divided by 4 is the same as that number minus 4?