（UK Emanuel School Entrance Examination Year $7$ Entry Question \#$28$）  When my grandma\textquotesingle s age is divided by $6$ there is a remainder of $2$.  But when divided by $7$ there is a remainder of $5$.  My grandma\textquotesingle s age is between $30$ and $120$.  How old is my grandma? 
Overseas Competition->Knowledge Point->Number Theory Modules->Remainder Problems->Chinese Remainder Theorem->Chinese Remainder Theorem with Constant Remainder