Davlatboyev m

MATEMATIKA
45. ni hisoblang.
A) -1 B) 0 C) 1 D) 25
46. 1234….798081 soni necha xonali?
A) 153 B) 152 C) 90 D) 81
47. n ning qanday eng kichik qiymatida soni 33 ga qoldiqsiz bo`linadi?
A) 8 B) 7 C) 4 D)6
48. yig`indini hisoblang.
A) B) C) D)
49. Quyidagi oddiy kasr ko`rinishida berilgan sonlardan qaysilari chekli o`nli kasr ko`rinishiga keltirib bo`lmaydi?
1) ; 2) ; 3) ; 4) ;
A) 1,2 B) 3,4 C) 1,3 D) 2,4
50. Kasrni qisqartiring: .
A) B) C) D)
51. 110 soni 10, 14, 18, ... arifmetik progressiyaning nechanchi hadi?
A) 25 B) 26 C) 24 D) 27
52. y = 5sin9x + 3sin15x funksiyaning hosilasini toping.
A) 90cos3xcos12x B) −90cos3xcos12x
C) 90sin3xsin12x D) −90sin3xsin12x
53. Teng yonli uchburchakning uchidagi burchagi 16^◦ ga teng. Yon tomoni bilan asosidagi burchak bissektrisasi tashkil qilgan o‘tmas burchakni toping.
A) 139^◦ B) 141^◦ C) 131^◦ D) 123^◦
54. Oybek ikkita masalani 36 minutda yechdi. U birinchi masalani yechishga ikkinchisini yechishga qaraganda 6 minut ko‘p vaqt sarfladi. Oybek ikkinchi masalani necha minutda yechgan?
A) 21 B) 15 C) 18 D) 20
55. A = {1;3;5;6;8;10} va B = {5;6;7;8;10} to‘plamlar berilgan. A ∪ B to‘plam elementlari sonini toping.
A) 8 B) 7 C) 11 D) 6
56. Agar log₃25 = a, log₂₅8 = b bo’lsa, log₂3 ni a va b orqali ifodalang.
A) B) C) D)
5 7. Shaklda berilgan kub uchun BE = EC,
FP = PD bo’lsa, cosx ni toping.

A) B)

C) D)

59. tenglamani yeching.

A)
B)
C)
D)
60. Hisoblang?
A) B) C) D)
61. 12 sonini uchta butun sonlar yig’indisi ko’rinishida necha xil usulda yozish mumkin?
A) 9 B) 6 C) 12 D) cheksiz ko’p
62. Hisoblang. + + + +…+
A) B)
C) D)
63. 1,2,2,3,3,3,4,4,4,4,5,…. Ketma-ketlikning dastlabki 100 tasi ning yig`indisini toping.
A) 755 B) 845 C) 927 D) 945
64. Teng yonli ABC uchburchakda Ava C burchaklar teng, AB:AC=5:3 va AB-AC=3 bo’lsa, uchburchakning perimetrini toping.
A) 19,5 B) 18,5 C) 17,5 D) 16
65. Hisoblang.
A)2/3 B)1 C)3/5 D)1/4
67. 1³+2³+3³+…+100³ Sonli ifoda qiymatini 3 ga bo`lgandagi qoldiqni toping
A)2 B)0 C)1 D)Aniqlab bo`lmaydi
68. Tenglamani yeching.

A) 2 B) C) D)
69. To’g’ri prizmaning asosi parallelogramdan iborat bo’lib, prizmaning diagonal kesimlarining yuzlari 7 va 10 ga teng bo’lsin Agar diagonal kesimlari o’zaro perpendikulyar bo’lsa , u holda prizmaning yon sirtini toping?
A) B) C) D)
70. Rasmda ABC uchburchak berilgan. Agar DE||BC va EF||AB bo’lib,
S_ADE = 32, S_EFC= 30 bo’lsa, BDEF to’rtburchakning yuzini toping.

A) B)16 C) 16 D) 18
71. Agar va
bo’lsa ning qiymatini toping?
A) 15 B) 30 C) 32 D) 40
72. tenglamaning eng kichik ildizini toping.
A) B) C) D) 1
73. Tenglama nechta haqiqiy ildizga ega?
A) 0 B) 1 C) 2 D) 4
28. ning qiymatini toping?
A) 0 B) 1 C) 2019 D)
74. natural sonlar uchun tenglik o’rinli bo’lsa ko’paytmaning qabul qilishi mumkin bo’lgan eng katta va eng kichik qiymatlari yig’indisini toping.
A) 42 B) 54 C) 72 D) 55
75. Uch soatdan birinchisi har 12 daqiqada, ikkinchisi har 18 daqiqada, uchinchisi har 15 daqiqada bong urmoqda. Ularning uchalasi soat 15:00 da birga bong urgan bo’lsa, keyingi birga bong urishi soat nechada sodir bo’ladi?
A) 17:20 B) 17:00 C) 18:30 D) 18:00