Math tests which are related to the first form

A= to`plamning xosmas qism-to`plamlari nechta A) 2 B) 16 C) 14 D) 8

a, b lar irratsional sonlar, r esa ratsional son bo‘lsin. Quyidagi sonlarning qaysilari ratsional son bo‘lib qolishi mumkin: 1) a+b 2) 3) a b 4) A) 1;2;3 B)1;2;3;4 C)1;3 D) 2;3;4

5555²²²² ni 7 ga bo`lgandagi qoldiqni aniqlang A) 1 B) 2 C) 5 D) 4

1 …+50 yig`indining natural bo`luvchilari nechta? A) 36 B) 60 C) 48 D) 24

5x⁴-3x³-4x²-3x+5=0 tenglamaning ildizlarini nechta A) 2 B) 0 C) 4 D) 1

|5x-4|= |x|+4|x-1| tenglamaning eng kichik musbat va eng katta manfiy butun yechimlari yig`indisini toping A) 3 B) 2 C) 5 D) 4

a ning nechta natural qiymatlarida (a-1)x²-(a+1)x+(a+1)0 tengsizlik x ning barcha haqiqiy qiymatlari uchun bajarilmaydi? A) 2 B) 1 C) 5 D) Cheksiz ko`p

A va D nuqtalar orasidagi masofa 75 km. Velosiðedchi A nuqtadan D nuqtaga borishda AB masofani 20 km/soat, BC masofani 10 km/soat, CD masofani 5 km/soat tezlik bilan 7 soatda, qaytishda esa DC masofani 15 km/soat, CB masofani 12km/soat, BA masofani 10 km/soat tezlik bilan 6 soat 15 minutda o‘tgan. CD masofalarni toping A) 15 B) 20 C) 30 D) 40

+ = tenglamaning ildizlari nechta? A) 1 B) 3 C) 2 D) 4

Funksiyalarning eng katta qiymatini va argumentning unga mos qiymatlarini nisbatini toping yx²2x3, x[1; 5]. A) 3.6 B) 4.8 C) 2 D) 3

Jadvalda lg3 = 0,4771 ekanligi berilgan. lg270 ifodaning qiymatini toping A) 2.4323 B) 3.4313 C)2.3313 D) 2.4313

|y| = |2^x-1|, x=-1 va x= 1 chiziqlar bilan chegaralangan shaklning yuzini toping. A) ln2 B) 2ln2 C) D)

𝑃(𝑥) ko’phadning koeffisiyentlari yig’indisi 12 ga teng bo’lsa, 𝑡² − 𝑃(1)𝑡 = −11 tenglama nechta yechimga ega? A) 1 B) aniqlab bo’lmaydi C) 2 D) 0

Tenglama [−3π; −1.5 π] oraliqda nechta yechimga ega? A) 3 B) 4 C) 2 D) 0

𝑦 = |sin|𝑥|+sin60 | funksiya 𝑥∈(−2π; π/3 ) oraliqning nechta nuqtasida hosilaga ega emas? A) 2 B) 3 C) 4 D) 1

Qavariq ko’pyoqning uchlari soni yoqlari sonidan 8 ta ortiq, qirralari soni esa yoqlari sonidan 3 marta ko’p bo’lsa, ko’pyoqning uchlari sonini toping. A) 6 B) 12 C) aniqlab bo’lmaydi D) 14

Tomonlari 5, va 2 bo’lgan uchburchakka tashqi chizilgan aylana radiusini toping. A) B) C) 3 D) 1

integralni hisoblang A) B) C) D)

Hisoblang A) 5 B) ∞ C) −5 D) 0

Qirralari 𝑎 teng bo’lgan ikkita kub bir–birining ichida joylashgan. Ulardan biri qarama–qarshi yon qirralaridan o’tuvchi tekislikka nisbatan 45° ga burildi. Hosil bo’lgan ko’pyoqning hajmini toping. A) 𝑎³(4 − 2 ) B) 𝑎³(3 − 2 ) C) 𝑎³(4 − ) D) 𝑎³(3 − )

ABCD to’rtburchakda ∠𝐶𝐴𝐵 = ∠𝐴𝐵𝐷 = 30°, ∠𝐶𝐵𝐷 = 25°, ∠𝐶𝐴𝐷 = 35° bo’lsa, ∠𝐴𝐶𝐷 =?. A) 20° B) 25° C) 30° D) 35°

Rombning o’tmas burchagi uchidan uning tomonlariga perpendikulyar o’tkazilgan. Har bir perpendikulyarning uzunligi 5 ga teng, ularning asoslari orasidagi masofa 8 ga teng. Rombning yuzi topilsin. A)25 B) 26 C) 24 D) 24

ABCD to’g’ri to’rtburchakda AB = 2, ∠BDA = 30° bo’lsa, ̅D̅̅B̅ va ̅C̅̅D̅ vektorlarning ko’paytmasini toping. A) 4 B) 4 C) −4 D) 2

ABCD tetraedrning qirralari ga teng bo’lsa, uning A uchidan BDC tekislikkacha bo’lgan masofa topilsin. A) B) 2 C) D) 2

Ikki yoqli burchakning yoqlarida yotgan A va B nuqtalardan burchakning qirrasigacha AA1 va BB1 perpendikulyarlar tushirilgan. Agar AA1 = 3 BB1 = 4, A1B1 = 2√3 va ikki yoqli burchak 60° ga teng bo’lsa, AB kesmaning uzunligini toping. A) 2− B) 3 C) 5 D) 1

Faqat antivirus dasturlari yozilgan javobni ko’rsating A) Mc Afee, MS DOS B) Nod 32, Aidtest C) AVP Platinium, MS Access D) Borland Delphi, Norton Antivirus

Paskal tilidagi quyidagi dastur qismining bajarilishi natijasida ekranga chiqariuladigan axborotni aniqlang: a:=’Uzbekistan’; k:=length(a); write(k, a); A) 10Uzbekistan B) k=10 C) Uzbekistan10 D) 10 Uzbeksitan

Rim sanoq sistemasida quyidagi amalni bajaring: XXILVC+MDIIXVM A) MMDCLXIX B) MMVCLXIX C) MCDCLXIX D) MDDCLIXX

MS Excel: A1=50, B1=4, C1=12, A2=5, B2=12, C2=-12 bo’lsa, =СЧËТЕСЛИ(A1:C2;”

MS Access dasturining asosiy obyektlarini aniqlang. A) Jadval, so’rov, ma’lumot, tugma, makros, modul B) Jadval, so’rov, forma, hisobot, makros, modul C) Jadval, servis, forma, fayl, makros, modul D) Matn, rasm, forma, hisobot, makros, modul