What has to be broken before you can use it?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

I travel all around the world but always stay in the corner. What am I?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

How can you take 2 from 5 and leave 4?

Can you place six X (crosses) in below board without making three in a row in any way ?