To'plamlar va kombinatorika nazorat TESTI
Authored by Oybek Begimov
Mathematics
1st Grade
Used 3+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
N ta elementlardan tashkil topgan to’plam bu ?
sanoqli to’plam
chekli to’plam
bo’sh to’plam
ekvivalent to’plam
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A={1,2,3,4} to'plamda aniqlangan R⊆AxA munosabat berilgan bo'lsin:
R={ <1,1>, <1,3>, <2,2>, <3,1>, <3,3>, <3,4>, <4,3>, <4,4>} munosabatni refleksivlik, simmetriklik, tranzitivlik xossalariga tekshiring.
Faqat refliksiv
Refleksiv va Simmetrik
Faqat Tranzitiv
To'g'ri javob yo'q
Ekvivalint munosabat (uchala xossasi ham bor)
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
A={1,2,3,4,5}, B={m,n,k,l} to‘plamlar dekart ko‘paytmasida aniqlangan quyidagi R munosabat funksiya bo‘ladimi? Agar bo‘lsa in’yektiv, syur’yektiv, biyektiv funksiya bo‘ladimi?
R={(1,m),(2,n),(3,m),(4,l),(5,k)}
Funksiya bo'lmaydi
Faqat in’yektiv funksiya
Faqat sur’yektiv funksiya
Biyektiv funksiya
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A={x,y,z}, B={1,2,3}, C={α,β,γ} to‘plamlarda aniqlangan R1⊆AxB vа R2⊆BxC binаr munosаbаtlаrning kompozitsiyasi (ko'pаytmаsi) topilsin:
R1={(x,1),(y,3),(z,1),(z,2)},
R2={(1,α),(2,β),(3,β),(3,γ)}
R1°R2={(x,α);(y,β);(y,γ);(z,β);}
R1°R2={(x,α);(y,β);(y,γ);(z,α);(z,β);}
R1°R2={(x,α);(y,β);(z,α);(z,β);}
R1°R2={(x,α);(y,β);(z,α);(z,β);(z,γ);}
5.
FILL IN THE BLANKS QUESTION
45 sec • 1 pt
Chekli vа sаnоqli to‘plаmlаrgа . . . to‘plаmlаr deyilаdi. Nuqtalar o'rnidagi so'zni toping!
(a)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
12
10
15
6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
"INTERNET" so'zidagi harflarni o'rnini almashtirib necha xil so'z yasash mumkin (so'zlar ma'noga ega bo'lishi shart emas)?
2520
40320
5040
10080
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