Some of the trickiest questions asked in Interview One of the questions asked in UPSE civil service. the candidate was from an engineering background. The question was:- Why does milk overflow when boiled where water does not? His answer was, when milk is boiled the water/moisture become vapour. But it is trapped under the top creamy layer of milk. So vapour tries to pushes up, spilling out the milk. In case of boiling water, there is no layer formed so vapour evaporates freely, That's spot on. He became the IPS officer, he added in his success story in the newspaper. adding that he was surprised by this question. Another tricky question asked in an interview is? Interviewer:- There is one scooter which has two tyres and one spare tyre/Stepney meaning three tyre total. Each type can run up to 5km only. How long will scooter run till? Candidate was Confused, one through my mind that 5 kms obviously one each tyre cant go further than 5 km. So h...