I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Which is faster, Heat or Cold ? Explain.

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

What does below Rebus say?

XLR8

What have one eye but still cannot see?

Solve the following series:
AZ, GT, MN, __, YB

You need to move three matchsticks to form three squares. Can you do it?

What occurs twice in a week, once in a year but never in a day?

What's a single-digit number with no value?