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Probabilty Question Help >
Tanya prepared 4 different letters to be sent to 4 different addresses,For each letter she prepared an envelope with correct address. If the 4 letters are to be put in 4 envelopes at random, what is the probability that only 1 will be put in the correct address ? The answer is 1/3. Any ideas any one...
- by ramkarpa
Sun Aug 13, 2006 6:53 pm- Forum: Problem Solving
- Topic: Probabilty Question Help >
- Replies: 2
- Views: 4301
Please help me solve this DS from GMATPrep
Atleast 100 students in a school study Japanese. 4% of students who study French also study Japanese.Do more students study French than Japanese ? (1) 16 students study both French and Japanese (2) 10% of students at school who study Japanese also study French. The answer is B. Any explanations ? Th...
- by ramkarpa
Sat Aug 12, 2006 5:41 pm- Forum: Data Sufficiency
- Topic: Please help me solve this DS from GMATPrep
- Replies: 4
- Views: 4880