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

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Solve the rebus riddle in the picture below.

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?