At a party, colas, squash and frut juice were offered to guests. A fourth of the guests drank colas, a thirk squash, two fifths drank fruit juice and just three did not drink any thing. How many guests were in all?
Let the number of guests are 
Number of guests who drank colas are 
Number of guests who drank squash are 
Number of guests who drank fruit juice are 
Number of guests who didn’t drink anyting are 3
LCM of 3, 4 and 5 is 60
Therefore the number of guests were 180
Number of ten rupees notes are 
16