John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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

Can you find the 09 errors in the picture below?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

I taste better than I can smell. Who am I?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?