Trick 3 : To know other’s age by the number in tables
Look the number in the able and find the age with magic.
To know one’s age by number at table, ask your friend to see his/her age in the table given. You can tell him/her age by knowing the number in the table which he/she shows.
Your friend told his/her age is in T1, T3 & T4. We can tell his/her age is 13.
Add the 1st number of each table friend had said & add them together. The sum will be the age of the friend: