B 0 c 105 d 42 a va b natural sonlar uchun bo’lsa, a ning eng katta qiymatini toping a 14 b 21 c 28


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I-variant
1) turli tub sonlar bo’lsa, ko’paytmaning eng kichik qiymatini toping
A)70 B)30 C)105 D)42
2) a va b natural sonlar uchun bo’lsa, a ning eng katta qiymatini toping
A)14 B)21 C)28 D)35
3) ifodani hisoblang.
A)4020x B)4040x C)1010x D)2020x
4)Alisher do’kondan donasi 1200 so’mdan bo’lgan ruchkalar va donasi 2400 so’mdan bo’lgan daftarlar sotib olgan. U ruchka va daftarlarni sotib olishda teng miqdorda pul sarflagan. U sotib olgan ruchkalar soni daftarlar sonidan 5 taga ko’p bo’lsa, u holda Alisher nechta ruchka sotib olgan?
A)8 B)12 C)10 D)9
5)Ifodaning qiymatini toping
bunda
A)7 B)12 C)5 D)13
6) funksiyaning eng katta qiymatini toping
A)
7) Agar va
bo’lsa,
yig’indini a va b orqali ifodalang
A) C)
D)
8)Agar bo’lsa, ifodaning qiymatini toping
A)-27 B)-64 C)-8 D)-48
9)Soddalashtiring

A) B)
C) D)
10) Agar to’g’ri burchakli uchburchakning katetlari 3 va 4 ga teng bo’lsa, 3 ga teng katetga yopishgan burchak bo’lsa, ni toping
A)
11) tenglamaning kesmadagi ildizlar yig’indisini toping
A)
12) Agar
tenglamaning haqiqiy ildizi bo’lsa, ni qiymatini toping
A)4 B)1,5 C)3 D)6
13) funksiyaning aniqlanish sohasini toping
A) C) D)
14) kesmaning uchlaridan berilgan tekislikkacha bo’lgan masofalar va AB kesmaning bu tekislikdagi proyeksiyasini toping
A)18 B)21 C)27 D)24
15)Agar va
to’plamlar berilgan. to’plamning qism to’plamlari sonini toping
A)64 B)128 C)16 D)32
16) 6 ta xodimdan ixtiyoriy ikkitasini necha xil usulda tanlab olish mumkin?
A)10 B)30 C)15 D)12
17) 12 va 39 sonlarini har birini qanday songa oshirsak, birinchisi ikkinchisining 40% i ga teng bo’ladi.
A)12 B)6 C)9 D)10
18) Perimetri 60 ga teng bo’lgan to’g’ri burchakli uchburchakda ichki chizilgan aylana radiusi 4 ga teng. Gipotenuzani toping
A)26 B)21 C)28 D)32
19) To’g’ri burchakli parallelepipedning barcha qirralari uzunliklari yig’indisi 48dm. Agar parallelepipedning diagonali uzunligi bo’lsa,
parallelepipedning to’la sirti yuzini toping.
A)40 B)82 C)21D)94
20) Agar bo’lsa,
ni toping
A)
21) funksiyaning oraliqdagi eng kichik qiymatini toping
A)1 B)2 C)4 D)7
22) ketma-ketlikning nechta hadi katta?
A)120 B)121 C)122 D)123
23)
Rasmda funksiya grafigi tasvirlangan.
tenglamaning dagi musbat ildizi nechta?
A)7 B)4 C)3 D)2
24) Hisoblang

A) B) C)1 D)-1
25) Radiusi 6 ga, markaziy burchagi bo’lgan sektorning yuzini toping
A)
26)Tengsizlikni yeching

A) C)
D)
27)Aniq integralni hisoblang

A) B)
C) D)
28) funksiyaning x=1 nuqtadagi hosilasini toping
A) B) C)
29) tenglamani yeching
A)3;4 B)2;3 C)5;6 D)1;6
30) - geometrik progressiyada
bo’lsa, ni toping
A)

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