Ixtisoslashgan maktablar uchun testlar 5 sinf 1- variant

Ixtisoslashgan maktablar uchun testlar
7 sinf
2 – variant
1. Soddalashtiring:

A) B)
C) D)
2. Agar bo’lsa, ifodaning son qiymatini toping.
A) B) C) D) 3
3. Qahva donlari qovurilganda o’z og’irligining 12% ini yo’qotadi. 4,4 kg qovurilgan qahva olish uchun necha kg qahva doni kerak bo’ladi?
A) 6 B) 5 C) 7 D) 8
4. Tenglamani yeching:
A) B) 0,55 C) D)
5. Amallarni bajaring:
A) B) C) D)
6. Tenglamani yeching:
A) 5 B) C) D) 6
7. Amallarni bajaring:
A) B)
C) D)
8. Ko’paytuvchilarga ajrating:
A) B)
C) D)
9. Ko’paytuvchilarga ajrating:
A) B)
C) D)
10. Kasrni qisqartiring:
A) B) C) D)
11. Agar bo’lsa, ifodaning son qiymatini toping.
A) B) C) D)
12. ∆ABC uchburchakning AB tomoni 17 sm, AC tomoni AB tomondan ikki marta katta, BC tomon esa AC tomondan 10 sm ga kichik. ∆ABC uchburchakning perimetrini toping.
A) 95 sm B) 61 sm C) 75 sm D) 65 sm
13. AB va CD kesmalar AB kesmaning o’rtasi bo’lgan O nuqtada kesishadi, bunda OAD= OBC. Agar CD=26 sm, AD=15 sm bo’lsa, BC ni toping.
A) 13 sm B) 14 sm C) 15 sm D) 30 sm
14. To’g’ri to’rtburchakning bir tomoni , ikkinchi tomoni undan ga katta. To’g’ri to’rtburchakning perimetrini toping.
A) B) C) D)
15. ∆ABC uchburchakda B burchak A dan 3 marta kichik, C dan esa 20⁰ ga katta. Uchburchakning burchaklarini hisoblang.
A) 90⁰; 30⁰; 10⁰ B) 120⁰; 40⁰; 20⁰ C) 105⁰; 35⁰; 40⁰ D) 120⁰; 40⁰; 60⁰
16. Agar to’g’ri to’rtburchakning bo’yini 4 sm ga kamaytirib, enini 7 sm ga uzaytirilsa, yuzi to’g’ri to’rtburchakning yuzidan 100 sm² ga katta bo’lgan kvadrat hosil bo’ladi. Kvadratning tomonini toping.
A) 22 sm B) 28 sm C) 17 sm D) 24 sm
17. K nuqta ABC burchak bissektrisasida yotadi. Agar ABC=60⁰, BK=24 sm bo’lsa, K nuqtadan burchak tomonlarigacha bo’lgan masofani toping.
A) 12 sm B) 24 sm C) 48 sm D) 10 sm
18. ABCD to’rtburchakda BC=AD, BCA= CAD. Agar AD=17 sm, DC=14 sm bo’lsa, AB va BC ni toping.
A) AB=14 sm; BC=17 sm B) AB=24 sm; BC=14 sm
C) AB=48 sm; BC=17 sm D) AB=10 sm; BC=17 sm
19. Hisoblang:
20. Ifodani soddalashtiring:
21. ko’phadni va orqali ifodalang.

22. Kasrni qisqartiring:

23. Umumiy tomoni BC bo’lgan ∆ABC va ∆DBC uchburchaklar berilgan. Agar AC BD, AB=AC, BAC= BCD=80⁰ bo’lsa, CBD burchak nimaga teng?

24. ∆ABC da D BC, AB=AD, AC=BD. Agar BAD=90⁰ bo’lsa, CAD burchak nimaga teng?
25. ∆ABC da AN – A burchak bissektrisasi. Agar bo’lsa, ANC nimaga teng?