Last question's winner : (@akshat.mittal18 ) Last question's answer: The teller used the mute button on the phone so her mother only heard "Emergency... Call... Help." This is how she knew to call the police.
Last question's winner : (@_sadaf_n ) Last question's answer: There are many ways to solve the puzzle.One of the way is as follows, You can use the 6 matches to form a tetrahedron(triangular pyramid) which has 4 faces, each of which is an equilateral triangle.
Last question's winner : (@prashantprasad18 ) Last question's answer: Venom is only dangerous when injected into the bloodstream, not when drunk. Poison is dangerous when drunk. Practically anybody could drink that vial without dying.