Matematika sinf. Test savollari. Iii-chorak II- variant. Tog`ri to`rtburchakning eni sm ga teng, bo`yi undan sm ga ortiq bo`lsa, uning perimetrini toping

A(3, -2) nuqtaga ordinatalar o`qiga nisbatan simmetrik nuqtani toping.

A) B(-3,-3) B) B(-3,-2) C) B(3,2) D) B(-3,2)
8.. Yig’indisi 81 ga teng bo’lgan uchta ketma – ket toq sonni toping?
A) 23; 25; 27 B) 25; 27; 29 C) 27; 29; 30 D) 21; 23; 25
9. Onasi 50 yoshda, qizi esa 28 yoshda. Necha yil oldin qizi onasidan 2 marta yosh bo’lgan?
A) 3 B) 4 C) 5 D) 6
10. Tenglamani yeching A) -5 B) 5 C) -4 D) -2
11. Ikki to`g`ri chiziqni kesishishidan hosil bo`lgan ikkita burchakning yig`indisi 130⁰, qo`shni burchaklarni toping A) 50⁰, 130⁰ B) 60⁰, 120⁰ C) 55⁰, 125⁰ D) 65⁰, 115⁰
12. Burchakka faqat bitta qo`shni burchak yasash mumkin A) Ha B) Yo`qA
13. Noma`lum burchakni toping

A)25⁰ B)55⁰ C)65⁰ D)35⁰
14. Uchburchakning perimetri tomonlaridan 14,16,24 cm katta bo`lsa, uchburchakning eng katta tomonini toping A) 13 cm B) 14 cm C) 24 cm D)11cm
15. Noma`lum burchakni toping

A)30⁰ B)45⁰ C)65⁰ D)60⁰
16. Kubning barcha qirralari yig`indisi 48 sm ga teng. Kub sirtining yuzini toping.
A) 96 sm² B) 24 sm² C) 192 sm² D) 48 sm² E) 56 sm²
17. ni hisoblang.A) B) C) 1 D) E) 0
18. Kamayuvchi 36 taga ortib, ayriluvchi 16 taga ortsa, ayirma qanday o`zgaradi?
A) 52 taga ortadi B) 20 taga ortadi C) o`zgarmaydi D) 20 taga kamayadi E) 52 taga kamayadi.
19. Haydovchi yo`lning 0,65 qismini o`tgach hisoblab ko`rsa, yo`lning yarmidan 30 km o`tibdi. Avtomobil yana necha kilometr yo`l yursa, manzilga yetadi ? A) 19,5 km B) 60 km C) 130 km D) 200 km E) 70 km