Find the next number in the sequence

1, 2, 6, 21, 88, __?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Can you count the number of triangles in the given picture?

Our product and our sum always give the same answer. Who are we?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

I am quite hot but become too cold if you remove the first two letters. What am I?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

What is so fragile that saying its name breaks it?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145