A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Can you find the 09 errors in the picture below?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Find the missing number in the sequence below:

Can you solve below mathematical equation?

2^1234 - 2^1233

People make me, save me, change me, raise me. What am I?

What building has the most stories?