One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

What Time Should the last watch show in the below figure?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

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

A blonde put eyeliner on her head. Why?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?