Before Mount Everest was discovered, what was the highest mountain in the world?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

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?

Can you solve the photo plexer logic ?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?