Matematika 7 sinf uchun test savollari I variant

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Xato javob ___ta

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Matematika 7 sinf uchun test savollari

III variant

1. 
   Sonli ifodaning qiymatini toping:
   

A) -4 B) -3 C) 4 D) 3

2. 
   ekanligi ma`lum. nechaga teng?
   

A) 97 B) 89 C) 106 D) 100

3. 
   Tenglamani yeching:
   

A) 1,125 B) 1,25 C) 1,2 D) 1,5

4. 
   Ifodaning qiymatini toping:
   

A) 1 B) 3 C) 9 D) 27

5. 
   25 ta vodoprovod jo`mragini yasash ushun 8,5 kg mis kerak bo`ladi. 17 kg misdan shunday jo`mraklardan nechtasini yasash mumkin bo`ladi?
   

A) 52 B) 55 C) 60 D) 50

6. 
   Qavariq to`rtburchakning barcha burchaklarining yig`indisi 360⁰. Bu to`rtburchakning burchaklari 1:2:4:5 sonlariga proporsional. Bu burchaklarni toping.
   

A) 30⁰; 60⁰; 130⁰; 140⁰ B) 60⁰; 120⁰; 20⁰; 160⁰

C) 30⁰; 60⁰; 120⁰; 150⁰ D) 20⁰; 70⁰; 120⁰; 150⁰

7. 
   Standart shaklidagi birhad ko`rinishiga keltiring:
   

A) B) C) D)

8. 
   Tarkibida 30% tuz bo’lgan 16 kg eritmani tarkibida 50% tuz bo’lgan eritma bilan aralashtirildi. Hosil bo’lgan eritmaning tarkibida 42% tuz bo’lsa, ikkinchi eritmadan necha kg olingan?
   

A)24 B)30 C)22 D)50

9. 
   Standart shaklidagi ko`phad ko`rinishiga keltiring :
   

A) B)

C) D)

10. 
    ∆ABC uchburchakda A uchidagi tashqi burchak 120⁰, C uchidagi ichki burchagi 90⁰ . B uchidagi tashqi burchagini toping.
    

A) 120⁰ B) 150⁰ C) 160⁰ D) 40⁰

11. 
    Ko’phadni birhadga ko’paytiring: 15(a+b) – 4(2a+3b)
    

A) 6a+3b B) 7a+3b C) 3a +12b D) 5a+9b

12. 
    Hisoblang:
    

A) B)6,12 C) 6 D) 5,48

13. 
    Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklarning ikkitasining nisbati 4:5 kabi. Bu burchaklarni toping.
    

A) 70⁰, 110⁰ B) 40⁰, 140⁰ C) 80⁰, 100⁰ D) 50⁰, 130⁰

14. 
    Teng yonli uchburchakning perimetri 36 ga va tomonlaridan biri 16 ga teng. Qolgan tomonlarini toping.
    

A) 16; 4 B) 10; 10 C) 10; 10 yoki 16; 4 D) 16; 16

15. 
    Ikki parallel to`g`ri chiziq va kesuvchi hosil qilgan mos burchaklar yig`indisi 280⁰ ga teng. Bu burchaklarni toping.
    

A) 140⁰, 140⁰ B) 70⁰, 70⁰ C) 110⁰, 110⁰ D) 100⁰, 100⁰

16. 
    Teng yonli uchburchakning uchidagi burchagi 120⁰. Yon tomoni 16,8 sm. Bu uchidan tushirilgan balandligini toping.
    

A) 5,8 см B) 4,2 см C) 8,4 см D) 9,4 см

17. 
    145⁰ va 35⁰ li qo’shni burchaklar berilgan. Ushbu burchaklarnng bissektrisalaridan hosil bo’lgan burchakni toping.
    

A) 86⁰ B) 70⁰ C) 80⁰ D) 90⁰

18. 
    АВС teng yonli uchburchakning (АВ = ВС) tashqi burchagi ВСК 110⁰ ga teng. АВС burchakni toping.
    

A) 50⁰ B) 40⁰ C) 60⁰ D)30⁰.

19. 
    Ifodaning qiymatini toping:
    

A) 26 B) 8 C) 16 D) 32

20. 
    Ifodani soddalashtiring:
    

A) B)

C) D)

21. 
    Hisoblang:
    

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22. 
    Ko`paytuvchilarga ajtating:
    

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23. 
    AOB yoyiq burchak berilgan. O nuqtadan bitta yarim tekislikka OD, OC, OE nurlar o`tkazilgan, AOE=140<sup>0</sup>. Agar OD va OE nurlar mos ravishda AOC va COB burchaklarning bissektrissalari ekanligi ma`lum bo`lsa, COE burchakni toping.
    

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24. 
    Uzunliklari 3; 5; 7; 11ga teng bo`lgan kesmalardan nechta turli tomonli uchburchaklar yasash mumkin?
    

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25. 
    Ifodani soddlashtiring : va dagi son qiymatini toping.
    

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26. 
    Hisoblang:
    

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27. 
    Asosi BC bo`lgan ABC teng yonli uchburchakning perimetri 40 sm. BCD teng tomonli uchburchakning perimetri 45 sm. AB va BC tomonini toping.
    

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28. 
    Tenglamani yeching:
    

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29. 
    Ikkita ketma-ket kelgan juft natural sonlar ko`paytmasi ularning kichigining kvadratidan 1,5 marta katta. Bu sonlarni toping.
    

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30. 
    Ifodani soddalashtiring:
    

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21_________________________________________________

22_________________________________________________

23_________________________________________________

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25_________________________________________________

26_________________________________________________

27_________________________________________________

28_________________________________________________

29_________________________________________________

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To’gri javob____ta

Xato javob ___ta

Ball _______

O’quvchining familyasi ismi sharifi________________________________________________