7 sinf uchun I chorak testi algebra
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7 sinf 1-4 chorak algebra
7 sinf uchun I chorak testi algebra 1. tenglamaning ildizi x0 bo’lsa, x20+1 ifodaning son qiymatini toping. a) 50 b) 10 c) 5 d) 37 e) 26 2. tenglamaning ildizi x0 bo’lsa, 18:x0 ifodaning son qiymatini toping. a) 6 b) 7 c) -7 d) e) 3. Uchta javonda hammasi bo’lib 385 ta kitob bor. Birinchi javonda ikkinchisiga qaraganda 8 ta ko’p, ammo uchinchi javondan 9 ta kam kitob bor. Har bir javonda nechtadan kitob? a) 128; 120; 137 b) 127; 119; 137 c) 127; 122; 136 d) 120; 134; 125 e) 130; 117; 138 4. Teng yonli uchbuchakning perimetri 51 sm ga teng. Asos yon tomondan 6 sm uzun. Shu uchburchakning yon tomonining asosiga nisbatini toping? a) 1,4 b) c) d) e) 0,7 5. Teng yonli uchbuchakning perimetri 42 sm ga teng. Yon tomoni asosining qismini tashkil qiladi. Shu uchburchakning asosi yon tomonidan necha santimetr uzun? a) 7,5 sm b) 6,5 sm c) 6 sm d) 7 sm e) 5 sm 6. Birinchi to’pda 75 m, ikkinchi to’pda 120 m atlas bor edi. Ikkinchi to’pdan birinchidan sotilganiga qaraganda 3 marta kam atlas sotildi. Natijada birinchi to’pda ikkinchisiga qaraganda 2 marta kam atlas qoldi. Har bir to’pdan necha metrdan atlas sotilgan? a) 24 m; 72 m b) 30 m; 90 m; c) 15 m; 45 m d) 33 m; 99 m e) 22 m; 66 m 7. Uchta buyurtmani 8 kunda bajarishi kerak edi. U u har kuni rejadan tashqari 6 ta mahsulot tayyorlab, buyurtmani 5 kunda bajaribgina qolmay, balki yana 12 ta mahsulot tayyorladi. Usta reja bo’yicha bir kunda nechta mahsulot tayyorlashi kerak edi? a) 8 b) 4 c) 5 d) 7 e) 6 8. Tenglamani yeching: a) -5 b) 5 c) 6 d) -4,5 e) to’g’ri javob yo’q 9. Tenglamani yeching: a) b) c) -1 d) 2 e) 10. Tenglamani yeching: a) 2 b) 4 c) d) e) yechimga ega emas 11. “Yaylovdagi otlaringiz nechta?” – deb so’radi otliq cho’pondan. “Agar otlarim soniga ularning yarmi, uchdan biri, choragi, oltidan biri, nimchoragi, o’n ikkidan biri va sening oting qo’shilsa, jami 60 ta bo’ladi” – dedi cho’pon. Yaylovda nechta ot bor edi? a) 24 b) 48 c) 36 d) 59 e) 32 12. Hisoblang: (5a –(a+b)):3, bunda a=5; b= – 1 a) 5 b) 6 c) 8 d) 7 e) 9 13. Tenglamani yeching: 7(x+1)-6x=10 a) 5 b) 6 c) 4 d) 3 e) 7 14. Tenglamani yeching: 29:x=211 a) b) c) 4 d) 6 e) 8 15. 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 e) 24; 25; 26 16. 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 e) 7 17. Tenglamani yeching -2x+3x=3x+8 a) 4 b) -4 c) 0 d) 2 18. Tenglamani yeching a) -19 b) 19 c) 8 d) -8 19. Tenglamani yeching a) 25 b) 5 c) -4 d) -2 20. , bunda , a) b) c) d) Download 456 Kb. Do'stlaringiz bilan baham: |
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