5-6 sinflar uchun matematikadan testlar

3.Tub va murakkab sonlar.
1. 15A) 4 ta B) 5 ta C) 6 ta D) 7 ta
2. 43 a ko’paytma a ning nechta natural qiymatida tub son bo’ladi?
A) 1 ta B) 2 ta C) 3 ta D) 4 ta
3. a, a+4, a+6, a+12, a+16 sonlari a ning qanday eng kichik natural qiymatida tub sonlar bo’ladi?
A) 1 B) 3 C) 5 D) 7
4. Faqat tub sonli javobni toping.
A) 1,3,5,7 B) 0,2,7,13 C) 13,17,41,169 D) 43,47,53,59
5. 210 sonining nechta tub bo’luvchisi bor?
A) 3 ta B) 4 ta C) 5 ta D) 6 ta
6. Eng katta ikki xonali egizak tub sonlar juftligini ko’rsating.
A) (91;93) B) (97;99) C) (71;73) D) (87;89)
7. Murakkab sonlar qatorini ko’rsating.
A) 10,12,15,17 B) 100,121,125,143 C) 12,14,16,19 D) 25,31,49,51
8. Noto’g’ri javobni toping.
A) Egizak tub sonlar ketma-ket toq sonlar bo’lishi mumkin B) 28 mukammal son
C) Murakkab sonning bo’luvchilari 2 tadan kam emas. D) 2 eng kichik tub son.
9. 2ⁿ-1 soni n raqamining nechta qiymatida tub son bo’ladi?
A) 4 ta B) 3 ta C) 6 ta D) 5 ta
10. a, a+2, a+3, a+4, a+9 sonlari a ning qaysi qiymatida murakkab sonlar tashkil etadi?
A) 4 B) 8 C) 14 D) 6

4.Tub va murakkab sonlar.
1. 17A) 5 ta B) 6 ta C) 4 ta D) 7 ta
2. 16:a bo’linma a ning nechta natural qiymatida tub son bo’ladi?
A) 4 ta B) 3 ta C) 2 ta D) 1 ta
3. a ning qanday eng kichik natural qiymatida a; a+4; a+12; a+24; a+40 sonlari tub sonlar bo’ladi?
A) 5 B) 11 C) 7 D) 13
4. Faqat tub sonli javobni toping.
A) 2,3,19,51 B) 7,13,23,33 C) 5,23,89,97 D) 61,67,69,71
5. 140 ning nechta tub bo’luvchisi bor?
A) 3 ta B) 4 ta C) 5 ta D) 6 ta
6. Ketma-ket murakkab sonlar qatorini ko’rsating.
A) 32,33,34,35,36,37 B) 42,43,44,45,46,47
C) 91,92,93,94,95,96 D) 81,82,83,84,85,86
7. 200 dan kichik eng katta tub son qaysi ?
A) 193 B) 197 C) 199 D) 191
8. Noto’g’ri javobni toping.
A) 6 mukammal son B) 2 dan boshqa juft sonlar tub emas
C) Tub sonning kvadrati 3 ta bo’luvchiga ega
D) 2 ta tub son ko’paytmasi yana tub son bo’ladi.
9. Qaysi son 2 ta tub bo’luvchiga ega?
A) 4 B) 9 C) 10 D) 8
10. 7* ko’rinishidagi ikki xonali sonda ,,*” o’rniga qaysi raqamlar qo’yilsa, tub son hosil bo’ladi?
A) 1,5,9 B) 1,3,9 C) 5,7,9 D) 3,7,9