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?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

What question can you never answer yes to?

Which is heavier: a ton of bricks or a ton of feathers?

Find the missing number in the sequence below:

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?