I am sure no one can have two things for dinner. what are they?

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

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

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

I look at you, you look at me, I raise my right, you raise your left. What am I?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

10+10 and 11+11 can give you the same answer.

Explain how?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.