puzzle 1 : you have 7,7,7,7 (four 7s) and '+', '-' ,'/' ,'*' , '.' . Make 100 using these. puzzle 2 : you have 3 types of items . One costs Rs.5 , one costs Rs 1, and the last costs Rs 0.2 . You have to buy 100 items in total so that total bill is Rs 100 , such that you have atleast 1 item of each type. Then questions like why oracle , your strengths, why should we hire you , etc