Q: 76 (IAS/1999)

In order to win the Grand Slam in Tennis, a player must win which one of the following groups of tournaments ?
question_subject: 
General Knowledge
question_year: 
1999
question_exam: 
IAS
question_sub_subject: 
GK-Sports
question_topic: 
GK-Sports
stats: 
0,1272,224,1272,112,80,32