Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

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

Rearrange the letters in "new door" to make one word.

You are on your way to visit your Friend, who lives at the end of the hill. It is his birthday, and you want to give him the cakes you have made. Between your house and his house, you have to cross 5 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake. How many cakes do you have to leave home to make sure that you arrive at a friend's house with exactly two

In the four images below, can you find the odd one out?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

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

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

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??