Diskret tuzilmalardan 1-oraliq nazorat varianti
№ 14
1. А={1, а, 2, b, 3, c}, B={1, 2, 3}, C={a,b,c} to`plamlar berilgan. Quyidagilardan qaysi biri to`g`ri:
a) A⊆B∩С б) А⊆С∪В в) B⊆A\С г) С⊆B\A д) В⊆С∩А е) С⊆В∩А
A) а, б B) б, в C) г D) д, е E) г, е
2. Agar A –barcha to`g`ri to`rtburchaklar to`plami, B-romblar to`plami bo`lsa, u holda A ∩ B – qanday to`plam?
A) kvadratlar B) uchburchaklar C) ∅ D) romblar E) to`g`ri javob yo`q
3. А={1,2,3,4,5}, B={3,5,7}, C={3} to`plamlar berilgan. Quyidagilardan qaysi biri to`g`ri:
a) A⊆B б)А⊆С в) B⊆A г) С⊆А д) В⊆С е)С⊆В
A) а, б, д B) б, д C) г, е D) д E) е
4. А to`plam 2 ga bo`linadigan 5 ta sonni, 3 ga bo`linadigan 7 ta va 6 ga bo`linadigan 2 ta sonni o`z ichiga olgan. Agar A t`oplamning elementlari 2 ga yoki 3 ga bo`linadigan bo`lsa, A ning nechta elementi bor?
A) 60 B) 10 C) 30 D) 35 E) 56
5. yig`indi nimaga teng?
A) B) C) D) E)
6. Talaba 8 kunda 4 ta imtihonni topshirishi kerak. Kuniga bittadan ortiq imtihon topshirish mumkin bo`lmasa, u buni nechta ussulda bajarishi mumkin?
A) 860 B) 1680 C) 720 D) 32 E) 8!4!
7. To’plamni ro’yxat tarzida bering: A={12 soni 2 ga bo’linadi}
А) {1,2,3,6} B) {12,14,36,…} C) {1,2,3,4,6,12} D) {1;12}
8. Quydagi to’plamlar berilgan bo’lsin А={1, 2} и В={3, 4}. Dekart ko’paytma A×B qaysi javobda berilgan
{1, 2, 3, 4} B) {(1,3), (2,4)} C) {(1,3),(1,4),(2,3),(2,4)} D) {(3,1),(3,2),(4,1),(4,2)}
9. Quydagi to’plamlarni dekart ko’paytmasi neshta elemendan iborat bo’ladi. A = {1;2;3} va B = {3;4}
A) 10 B) 15 C) 30 D) 6 E) 16
10. To’plamlarni dekart ko’paytmasida А={a, b} va В={1,2} munosabatlar aniqlangan.Qaysi munosabat suryektivlik funksiyasi f: A→B bo’ladi?
A) {(a,1), (b,2)} B) {(a,1),(b,1),(a,2)} C) {(a,2)} D) {(a,2),(b,2)}
11. ni hisoblang.
A) 40320 B) 84440 C) 68020 D) 18050 E) 12046
12. Hisoblang.
A) 204 B) 1440 C) 260 D) 229 E) 250
13. (x+2)7 binom yoyilmasining 7-hadi oldidagi koeffitsiyentni toping.
A) 12 B) 10 C) 6 D) 7 E) 12
14. Tenglamani yeching.
A) 12 B) 4 C) 6 D) 5 E) 2
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