If it took eight men ten hours to build a wall, how long would it take four men to build it?

what does the below rebus means?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Spot 5 differences in two Christmas tree below:

How can you write nineteen in a manner that if we take out one, it becomes twenty?

James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Can you find the dog hidden in a group of pandas?