46. ni hisoblang. A 3,5 b 2,5 c −1,5 d 0,5


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46. ni hisoblang.


A) 3,5 B) 2,5 C) −1,5 D) 0,5

47. Bir nuqtadan tekislikka uzunliklari 4 va 8 bo’lgan ikkita og’ma tushirilgan og’malar proyeksiyalarining nisbati ga teng. Berilgan nuqtadan tekislikkacha bo’lgan masofani toping.


A) B) 3 C) 2 D) 2.5

48. ni qiymatini hisoblang.


A) B) C) D)

49. Teng yonli uchburchakning perimetri 52 sm. Agar uning asosi yon tomonining 0,6 qismini tashkil qilsa, unga tashqi chizilgan doira yuzini (sm2) toping.


A) B) C) D)

50. Agar qizdirilayotgan metaldan uchib chiqayotgan elektronlar soni sekundiga 8 tadan ortib borsa va dastlab 4 tadan boshlangan bo’lsa, yarim soatda nechta electron uchib chiqadi?


A) 13 mln B) 10 mln C) 12,96 mln D) 12,9 mln

51. Avtomobil haydovchisi birinchi soatda yo’lning yarmini, ikkinchi soatda qolgan yo’lning 1/3 qismini, uchinchi soatda qolgan 56 km masofani bosib o’tdi. Haydovchi 3 soatda jami qancha yo’l (km) masofani bosib o’tgan.


A) 156 B)144 C)168 D) 112

52. tenglamani yeching.


A) B)
C) D)

53. To’g’ri burchakli uchburchakning yuzi 150 , perimetri 60 dm ga teng. Uchburchakning katetlari uzunliklarini (dm) toping?


A) 15 va 20 B) 20 va 25 C) 12 va 25 D) 30 va 10

54. Tengsizlikni yeching. .


A) {–3} B)
C) D)

55. ni soddalashtiring.


A) B) C) D)

56. funksiyaning hosilasini toping.


A) B)
C) D)

57. tenglamalar sistemasini yeching.


A) B) C) D)

58. va raqam va bo’lsa, va bo’lsa x ni toping.


A)41 B) 5 C) 6 D) 7

59. va tenglikka ko’ra, ni toping?


A) B) 2 C) 3 D)

60. bo’lsa, ni toping?


A) – 3 B) – 2 C) – 1 D) 1

61. Konusning balandligi va uning yasovchisi mos ravishda 4 sm va 5 sm ga teng. Asosi konus asosida yotgan ichki chizilgan yarim sharning sirtini yuzini toping.


A) B) C) D)

62. Teng yonli trapetsiyaning diogonali o’rta chizig’ini 1.5 va 7,5 ga teng kesmalarga ajratadi. Tapetsiyaning yuzasi 72 ga teng bo’lsa, uning yon tomonini toping.


A) 10 B)8 C)20 D) 5

63. ifodani soddalashtiring.


A)3 B) 1 C) D)5

64. tenglamalar a ning qanday qiymatida yechimga ega emas?


A) – 4,5 B) C) 3 D) 2

65. k ning qanday qiymatida tenglamaning va ildizlari orasida


munosabat o’rinli bo’ladi?
A) B) C) D)

66. To’g’ri burchakli uchburchak katetlarining gipotenuzasidagi proyeksiyalari 2 va 8 ga teng. Uchburchakning yuzini toping.


A) 40 B) 16 C) 10 D) 20

67. A to’plam 28 sonining barcha natural bo’luvchilari to’plami, B to’plam esa 42 sonining barcha natural bo’luvchilari to’plmi bo’lsa, A B to’plamni toping.


A) {2,7,14} B) {4,6,7}
C) {1,2,7,14} D) {7;14}

68. ni hisoblang.


A) B)
C) D)

69. va vektorlar orasidagi burchakning radian o’lchovi ga teng va bo’lsa, shu vektorlarga qurilgan uchburchakning yuzini hisoblang.


A) B) C) 3 D) 6

70. Radiuslari r=1 sm va R=3 sm bo'lgan aylanalar tashqi ravishda urinadi. Aylanalar urinish nuqtasidan ularning umumiy urinmalarigacha bo'lgan masofani (sm) toping.


A) B ) C) D)

71. Savatda 4 ta anor, 5 ta nokva 6 ta olma bor. Savatdan ikkita turli mevani tanlash necha usulda amalga oshirish mumkin.


A) 15 B) 120 C) 74 D) 10

72. sin lik tenglama bo’lsa a javob sinx=-0,5 ni yechimi


73. tenglamani yeching.
A) B) va 0 C) yechimi yo’q D) 0

74. radiuli sferaga muntazam to’rtburchakli piramida ichki chizilgan. Uchidagi barcha yassi burchaklari 22,5 ga teng bo’lsa, piramida yon sirtining yuzini toping.


A) B) 4 C) D) 4

75. 0,(6) va 0,8 sonlari orasidagi maxraji 30 ga teng bo’lgan oddiy kasrlar suratlarining o’rta arifmetigini toping.


A) 22 B) 24 C) 21 D) 20


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