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

which number am I?

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

Our product and our sum always give the same answer. Who are we?

Find the number of squares in the below-given picture.

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

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

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