I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

Which country gets ill every time?

What's the only room from which no one can enter or leave

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

What can jump higher than a building?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

what does this below rebus represent identXQQQQQME

Can you find out the remainder when 3^300 is divided by 5?