What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

What is the word or phrase?

I look at you, you look at me, I raise my right, you raise your left. What am I?

I have teeth but i don't bite. Who Am I ?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

Name a key which is hardest to turn.

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat