In Jefferson School, 300 students study french or spanish or both. If 100 of these students do not study french, how many of these students study both french and spanish?
1. of these 300 students, 60 do not study spanish.
2. a total of 240 of the students study spanish/
qa is d
how i am convicnced that qa is e. USing a double matrix chart it yields no real information. can anyone shed light on this!
og ds 94
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- Senior | Next Rank: 100 Posts
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You can also use an easy formula
G1 + G2 + Neither - Both = Total
Here we do not have Neither.
G1=Spanish
G2= French
S+200 - Both=300
The q/s says 100 are not in French so 200 are
Statement 1
of these 300 students, 60 do not study Spanish
So 240 do study hence sufficient
240+200-B=300
Statement 2
a total of 240 of the students study spanish- sufficient
Ans D
G1 + G2 + Neither - Both = Total
Here we do not have Neither.
G1=Spanish
G2= French
S+200 - Both=300
The q/s says 100 are not in French so 200 are
Statement 1
of these 300 students, 60 do not study Spanish
So 240 do study hence sufficient
240+200-B=300
Statement 2
a total of 240 of the students study spanish- sufficient
Ans D
In order to clearly understand the answer to this problem, remember that EVERY student will study at least one language. Therefore, S- & F- has a 0 (zero) value in the matrix.
It took many several minutes to figure it out...
Best wishes!
It took many several minutes to figure it out...
Best wishes!