10-sinf 1-blok I variant

Matematika
1.Bironta ham elementga ega bo’lmagan toplam-

A) Qism to’plam B) chekli to’plam C) cheksiz to’plam D) bo’sh to’plam

2.Rost mulohazalarni ajrating: 1) 2+3-1=4 2) 20:4=80

3) kvadratning perimetri p=4a formula bilan hisoblanadi 4) Mening kitobim qaerda?

A) 1) va 2) B) 1) va 3) C) 2) va 4) D) barchasi
3. A={1,2,3,5} va B={2,3,4,8} A va B to’plamlar keshishmasini toping?

A) {,2,3,4,5,8,9} B) {1,2,3,4,5,8} C) {4,8} D) {2,3}

4. Ataylab chiqarilgan no’tog’ri xulosa, biror tasdiqning noto’g’ri isboti nima deb ataladi?

A) sofizm B) paradoks C) predikar D) kvantor

5. Masala .8 mln so’m yiliga 7% stavkada 18 oyga olingan bo’lsa, foiz to’livini hisoblang.

A) 5ming so’m B) 8400 so’m C) 9 ming D) 840ming so’m

6.Tenglamani yeching: V23x-7=27

A) ø B) x=12 C) x= 32 D) x=0

7. Mulohazaning konyuksiyasini simvolik shaklda yozing: Asila va Salima ikkalasi o’quvchi.

A) AvS B) A=>S C) A^S D) AS

8.Evklidning “Negizlar” asarida nechta aksioma berilgan? A) 13 ta B) 23 ta C) 5 ta D) 9 ta
9.Masalani yechishda no’malum kiritib, tenglama yoki tenglamalar sistemasi tuzib yechish qaysi usul algaritmi hisoblanadi?

A) Geometrik almashtirishlar usuli B) Algebraik usul C) Vektor usuli D) Koordinatalar usuli

10.Tenglamani yeching: 6^x+5=6^3x A) x= 2.5 B) x=2 C) x=- 3.2 D) x=-2.5
11.Doimo rost bo’lgan mulohaza-____________________________
12.Barcha metallar qattiq shaklda. Simob-metall. Demak,_____________________________________
13.Berilgan mulohazalarning implikatsiyasini tuzing: p: Uchburchaklar o’xshash.q:Uchburchaklarning mos burchaklari teng.J:_________________________________________________________________
14.Silindr asosining r=7 sm, yasovchisi 12 sm bo’lsa, uning yon sirtini toping?J:____________
15.Tekislikda A(3;4) va B(-2;5) nuqtalardan teng uzoqlikda joylashgan C(x;0)nuqtani toping