1. ni hisoblang. A 1,4 b 1,2 c 1,5 d 1,6

1. ni hisoblang.
A) 1,4 B) 1,2 C) 1,5 D) 1,6
2.Nugtadan tekislika uzunliklari 10 va 15 sm bo’lgan og’malar tushirilgan. Birinchi og’maning tekislikdagi proyeksiyasi 8 sm bo’lsa, ikkinchi og’maning proyeksiyasi qancha sm bo’ladi?
A) B) C) 3 D)
3. ni hisoblang.
A ) B) C) D)
4. Uchburchakning tomonlari 15,14,13 bo’lsa, uchburchakka ichki chizilgan aylana radiusini toping.
A) 3 B)2 C)4 D) 7
5. Agar qizdirilayotgan metaldan uchib chiqayotgan elektronlar soni sekundiga 10 tadan ortib borsa va dastlab 5 tadan boshlangan bo’lsa, yarim soatda nechta elektron uchib chiqadi?
A) 16 mln B) 10 mln C) 6 mln D) 16,2 mln
6. Yo’lovchi birinchi soatda yo’lning 1/5 qismini, ikkinchi soatda qolgan yo’lning 1/3 qismini, uchinchi soatda esa qolgan yo’lning yarmini yurgach, manzilgacha 4 km masofa qoldi. Yo’lovchi jami qancha (km) yo’l yurishi kerak?
A)11 B) 15 C) 16 D)15
7. tenglamani yeching.
A) B)
C) D)
8.To’g’ri burchakli uchburchakning yuzi 60 , perimetri 40 dm ga teng. Uchburchakning katetlari uzunliklarini (dm) toping?
A) 7 va 13 B) 7 va 11 C) 4 va12 D) 8 va 15
9. tengsizlikni yeching.
A) B) C) D)
10. ni soddalashtiring.
A) B) C) D)
11. funksiyaning hosilasini toping.
A) B) C)
D)
12. tenglamaning barcha ildizlar yig’indisini toping.
A) B) 0 C) 1 D)
13. ikki xonali son, raqam bo’lsa bo’lsa, ni toping.
A) 10 B) 11 C) 12 D) 13
14. va tenglikka ko’ra, ni toping?
A) B) 2 C) 4 D)
15. bo’lsa, ni toping?
A) 15 B) 12 C) 13 D) 14
16.Konusning balandligi va uning yasovchisi mos ravishda 4 sm va 5 sm ga teng. Asosi konus asosida yotgan ichki chizilgan yarim sharning hajmini ( ) toping.
A) B) C) D)
17. Yuzi 14 sm² ga teng bo’lgan ABCD to’g’ri burchakli trapetsiyada AB=8, DC=6 sm bo’lsa A) B) C) D)
18. ni soddalashtiring.
A) 2 B) 1 C) –1 D) –2
19. a va b ning qanday qiymatlarida tenglamalar sistemasi cheksiz ko’p yechimga ega?
A) B)
C) D)
20. va ildizlari orasida munosabat o’rinli bo’ladigan tenglamada k ning qiymatini toping.
A) B) C) D)
21. Katetlaridan biri ga teng bo’gan to’g’ri burchakli uchburchak gipotenuzasining ikkinchi katetiga nisbati 5:3 ga teng. Uchburchakning yuzini toping.
A) 20 B) 48 C) 12 D) 24
22. A={2,4,6,8,…}, B={1,3,6,9,…} bo’lsa, A B to’plamni toping.
A) {6,12,18,…} B) {3,7,11,…} C) D) N={1,2,3,…}
23. bo’lsa, ni toping.
A) 3 B) 5 C) 2 D) 4
24. va vektorlarberilgan. va vektorlar orasidagi burchakni toping.
A) 150° B) 60° C)135 ° D) 120°
25. Aylanadan tashqarida A nuqtadan unga urinma va kesuvchi o'tkazilgan A nuqtadan urinish nuqtasigacha bo’lgan masofa 16 sm. A nuqtadan kesuvchining aylana bilan kesishish nuqtalaridan birigacha bo'lgan masofa 32 sm. Agar kesuvehi aylananing markazidan 5 sm uzoqlikda bo'lsa. aylananing radiusini (sm) toping.
A) 13 B) 14 C ) 15 D)12
26. Savatda 4 ta anor, 5 ta nok va 6 ta olma bor. Savatdan bittadan anor, nok va olma mevalarini olish necha usulda amalga oshirish mumkin.
A) 15 B) 120 C) 74 D) 10
27. funksiyaning aniqlanish sohasini toping.
A) B) C) D)
28. tenglamani yeching.
A) –5; 5 B) 3 C) 3; 5 D) –3
29. radiuli sferaga muntazam to’rtburchakli piramida ichki chizilgan. Uchidagi barcha yassi burchaklari ga teng bo’lsa, piramida yon sirting yuzini toping.
A) B) 4 C) D) 4
30. 24 sonining bo`luvchilari yig`indisining bo`luvchilari soniga nisbati topilsin.
A) 10 B) C) 7,5 D) 4,5