aof.sorular.net
Mathematics 1
Mathematics 1 Deneme Sınavı
Mathematics 1 Deneme Sınavı Sorusu #1403336
Mathematics 1 Deneme Sınavı Sorusu #1403336
In a touristic group, 10 tourists can speak English, 15 tourists can speak German, 9 tourists can speak both English and German, and 3 tourists can speak neither English nor German. Find the number of tourists in this group.
In a touristic group, 10 tourists can speak English, 15 tourists can speak German, 9 tourists can speak both English and German, and 3 tourists can speak neither English nor German. Find the number of tourists in this group.
|
16 |
|
17 |
|
18 |
|
19 |
|
20 |
Yanıt Açıklaması:
E ∪ G = {x| x is a tourist who can speak English or German}
E ∩ G = {x| x is a tourist who can speak both English and German}
Then
s(E ∪ G) = s(E) + s(G) – s(E ∩ G)= 10 + 15 – 9 = 16.
Additionally, 3 tourists can speak neither English, nor German. Therefore, the total number of tourists is 16 + 3 = 19.
Correct answer is D.
Yorumlar
- 0 Yorum