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To'plamlar va kombinatorika nazorat TESTI

Authored by Oybek Begimov

Mathematics

1st Grade

Used 3+ times

To'plamlar va kombinatorika nazorat TESTI
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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 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 BLANK 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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