Directions: The following  caselet shows the information about the number of players participating in three different games such as Carrom, Chess and Ludo.

Number of players participating in only chess to only Ludo are in the ratio 2: 1 and the number persons participating in only Carrom are 10 more than the number of persons who played only Ludo. Number of persons participating in both chess and Ludo but not Carrom is 50% of the number of persons participating in only Carrom. Number of persons participating in both Carrom and Ludo but not chess is 3 more than the number of persons participating in both chess and Carrom but not Ludo. Number of persons participating in both Chess and Carrom but not Ludo is 75% of the number of persons participating both Chess and Ludo but not Carrom. Number of persons participating in all the three is 10. Number of persons participating only in Carrom is 40.