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

What has 88 keys?

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

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?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Can you find out the total number of triangles in the given figure?

What begins with T, ends with T, and has T in it?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?