I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

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

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

what does this below rebus represent identXQQQQQME

Can you decipher the two rows to find the hidden word?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?