What does this below rebus puzzle mean?

Forwards I am heavy, backward I am not. What am I?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What is the word or phrase?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?