When does a USA Potato change its nationality?

Solve the mathematical equation in the picture below.

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

Complete the table series riddle by finding the number that can replace "??".

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?

What is the last thing you take off before bed?

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

81 x 9 = 801. What must you do to make the this equation true?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?