What can go up a chimney down, but can’t go down a chimney up?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

What month of the year has 28 days?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Before Mount Everest was discovered, what was the highest mountain in the world?