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

Which is Odd One Out and why?

4377

3954

9862

8454

9831

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

What month of the year has 28 days?

How many Watermelons are there in the below picture?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Which part of London exists in France as well ?

Can you place three balls such that the equation shown in the picture holds true?

What have one eye but still cannot see?

I have branches, but no fruit, trunk or leaves. What am I?