What word is pronounced the same if you take away four of its five letters?

They are three errirs in this question. Can you find them?

What does this simple rebus mean?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

There is a rock group of four men that do not sing. Name It?

What is the word or phrase?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

What always comes into a house through the keyhole?

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.

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.