Hi,
Can anyone help pls?
Thanks!
31 - #3
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The answer is E.
1) 30 students have brown hair. INSUFF
2) 20 students are male. INSUFFF
Combining 1 and 2, we still have no idea how many male students have brown hair. All 20 could have brown hair or none could have brown hair.
INSUFF
1) 30 students have brown hair. INSUFF
2) 20 students are male. INSUFFF
Combining 1 and 2, we still have no idea how many male students have brown hair. All 20 could have brown hair or none could have brown hair.
INSUFF