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

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Which alphabet letter is a question?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?