Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

John's five friends Rachel, Jacob, Phoebe, Joey and Chandler live on the same road.

Rachel lives in the house: A, Jacob lives in the house: B, Phoebe lives in the house: C, Joey lives in the house:D, Chandler lives in the house: E

Mathematically
B*C*D = 1260
B + C + D = 2E
2A = E

The road numbers run from 2 to 222.

Can you tell me the house number of each of John's friends?

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

How do you go from 98 to 720 using just one letter?

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

What's a single-digit number with no value?

I am an odd number. Take away a letter and I become even. What number am I?

Using Only Five 5's and any mathematical operator make sum as 37

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()