A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

What 5-letter word typed in all capital letters can be read the same upside down?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

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?

Move four matchsticks to the below square to form three squares?

Can it be possible to build a house that has all its four walls facing towards the South?

What is the next number in the series?

15 29 56 108 208 ?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat