DTM-2019 Matematika 8 PDF Past Paper
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Uploaded by HumaneOrange1713
129 maktab
2019
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Summary
This document is a past paper for the 8th grade mathematics exam. It includes various questions on natural numbers and mathematical operations. The questions target topics such as prime numbers, divisibility rules and remainders.
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# Natural sonlar 11. Ketma-ket kelgan uchta tub sonlar yig'indisi quyidagi sonlardan qaysi biriga teng bo'lishi mumkin? A) 9 B) 15 C) 6 D) 21 12. 43-47-28-32-18-63-27 ayirma qanday raqam bilan tugaydi? A) 6 B) 8 C) 2 D) 4 13. 5<sup>9</sup> + 1 natural son uchun quyidagi fikrlardan qaysi biri to'g'ri...
# Natural sonlar 11. Ketma-ket kelgan uchta tub sonlar yig'indisi quyidagi sonlardan qaysi biriga teng bo'lishi mumkin? A) 9 B) 15 C) 6 D) 21 12. 43-47-28-32-18-63-27 ayirma qanday raqam bilan tugaydi? A) 6 B) 8 C) 2 D) 4 13. 5<sup>9</sup> + 1 natural son uchun quyidagi fikrlardan qaysi biri to'g'ri? A) juft va tub son B) toq va tub son C) toq va murakkab son D) juft va murakkab son 14. 2·11<sup>6</sup> - 5 natural son qaysi raqam bilan tugaydi? A) 7 B) 5 C) 2 D) 6 15. Ikkita natural sonning yig'indisi 15 ga teng bo'lsa, ularning ko'paytmasi quyidagi sonlardan qaysi biriga teng bo'lishi mumkin? A) 34 B) 35 C) 36 D) 37 16. Quyidagi fikrlardan qaysi biri natural sonlar uchun har doim to'g'ri? A) ikkita tub sonlar ko'paytmasi toq son bo'ladi B) faqat uchta natural bo'luvchiga ega bo'lgan son biror tub sonning kvadratiga teng bo'ladi C) barcha tub sonlar toq sonlardir D) ikkita tub sonlar yig'indisi juft son bo'ladi # Matematika 17. Quyidagi jumlalardan qaysilari noto'g'ri? 1) agar natural son 6 ga bo'linsa, u holda 12 ga ham bo'linadi; 2) agar natural son 12 ga bo'linsa, u holda 6 ga ham bo'linadi; 3) agar natural son 12 ga bo'linmasa, u holda 6 ga ham bo'linmaydi; 4) agar natural son 6 ga bo'linmasa, u holda 12 ga ham bo'linmaydi. A) 1, 2 B) 3, 4 C) 2, 3 D) 1, 3 18. 13<sup>5</sup> - 13 ni 10 ga bo'lgandagi qoldiqni toping. A) 0 B) 6 C) 7 D) 3 19. 2-7-11-19-23 son quyidagi sonlardan qaysi biriga ko'paytirilsa, uning natural bo'luvchilari soni ikki marta ortadi? A) 11 B) 7 C) 2 D) 3 20. 7<sup>3</sup> + 11.7 ni 6 ga bo'lgandagi qoldiqni toping. A) 2 B) 3 C) 1 D) 0 21. 113-114-115-2 ni 6 ga bo'lgandagi qoldiqni toping. A) 1 B) 3 C) 4 D) 2 8
