test 6-sinf

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bahodir kamolov, ne’matjon kamalov matematikadan bilimlar bellashuvi va olimpiada masalalari 6-sinf. test 1. tenglamani yeching:  4 3 2 1 3 5x x       a) -1 b) -5 c) 1 d) 0 2. ifodaning qiymatini toping:  3 3 0,54 1,56 7 7     a) 0,09 b) -0,9 c) -0,09 d) 0,9 3. radiusi 8,1 sm bo‘lgan doira yuzining 2 9 qismini toping. ( 3,1  deb hisoblang) a) 45,188 sm2 b) 45,198 sm2 c) 42,78 sm2 d) 44,198 sm2 4. radiusi 7,2 sm va aylana uzunligining 3 8 qismiga teng bo‘lgan yoyning uzunligini toping. bunda 3,14  . a) 5,652 sm b) 16,96 sm c) 16,956 sm d) 16,965 sm 5. 20147 sonining oxirgi raqamini toping. a) 1 b) 7 c) 3 d) 9 6. ikkita sonning yig‘indisi 140 ga teng. birinchi sonning 8 % i ikkinchi sonning 6 % i …

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m b) 3 sm c) 12 sm d) 32 sm 14. bahovuddin al-omiliy masalasi: bir kishiga ikki qismdan iborat mukofot tavsiya qilinadi. uning ayirmasi 20 ga, ko‘paytmasi 96 ga teng. mukofotning katta qismini toping. a) 14 b) 17 c) 12 d) 24 15. 3a b va 3, 3b a va 4 sonlari proporsiyaning ketma-ket hadlari bo‘lsa, 2 2a b ab  kasrning qiymatini toping. a) 6 5 b) 7 3 c) 8 3 d) 9 5 16. 28 ning juft bo‘luvchilari va tub bo‘luvchilari yig‘indisini toping. a) 57 b) 55 c) 58 d) 30 17. bir kombayn daladagi hosilni 15 soatda, boshqasi esa shu hosilni 10 soatda yig‘ib olishi mumkin. ikkala kombayn birgalikda hosilni necha soatda yig‘ib olishi mumkin? a) 7 b) 5,5 c) 6 d) 8 18. do‘kondagi choynak 6400 so‘m turadi. oyning oxirida narxlar pasayib, choynakning narxi 5440 so‘m bo‘ldi. choynakning narxi necha foizga kamaygan? a) 10 % …

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shu ishni 3 soatda bajarish uchun nechta ishchi kerak? a) 2 b) 8 c) 4 d) 9 26. 150 dan katta bo‘lmagan 6 ga karrali barcha sonlarning yig‘indisini toping. a) 1800 b) 1760 c) 1950 d) 2025 27. 30112x  , 53,3 10y   , 102588z  sonlardan qaysilari 12 ga qoldiqsiz bo‘linadi? a) faqat y b) faqat x c) y va z d) faqat z 28. 67 27 soni quyidagilarning qaysi biriga qoldiqsiz bo‘linadi? a) 23 b) 49 c) 17 d) 13 bahodir kamolov, ne’matjon kamalov matematikadan bilimlar bellashuvi va olimpiada masalalari 29. 203 ni 7 ga bo‘lgandagi qoldiqni toping. a) 2 b) 3 c) 1 d) 4 30. 26 ning barcha bo‘luvchilarining yig‘indisini toping. a) 16 b) 41 c) 42 d) 43 31. a va b sonlari toq va a b ekanligi ma`lum bo‘lsa, quyidagilardan qaysi biri toq son bo‘ladi? 1) a b ; 2) ab ; …

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nning birgalikdagi massasi qancha? a) 7 8 kg b) 1 kg c) 2 8 kg d) 2 kg 41. o‘lchamlari 1 6 4 dm, 2 2 5 dm, 4 1 5 dm bo‘lgan to‘g‘ri burchakli parallelepipedning hajmini toping. a) 27 dm2 b) 27 dm3 c) 9 m3 d) 54 m3 42. agar 5a  bo‘lsa, 1 7 7 ( 2 ) 4 10 a  ifodaning qiymatini hisoblang. a) 19 4 20 v) 1 4 20 s) 1 3 2 d) 1 43. ifodani soddalashtiring: 3 9 7x x  a) 2 30 7x b) 6 7x c) 30 7x d) 2 6 7x 44. tenglamani yeching:  2,92 : 1,6 0,3 1,4 5y     a) 8,76 b) -11,68 c) -8,76 d) 7,3 45. quyidagi oddiy kasrlarning qaysi birini chekli o‘nli kasr ko‘rinishida ifodalab bo‘lmaydi? 16 3 49 14 12 , , , , 25 50 56 …

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7,75 c) 141,75 d) 160 57. 1 2 3 sonidan bu songa teskari bo‘lgan sonni ayiring. a) 16 2 21 b) 17 1 21 c) 19 1 21 d) 2 bahodir kamolov, ne’matjon kamalov matematikadan bilimlar bellashuvi va olimpiada masalalari 58. sutning 21% i dan qaymoq olinadi, qaymoqning 25% i dan sariyog‘ olinadi. 105 kg sariyog‘ olish uchun qancha sut kerak bo‘ladi? a) 400 kg b) 1000 kg c) 2000 kg d) 200 kg 59. koordinata to‘g‘ri chizig‘ida -14 va 11 sonlari orasida nechta birlik kesma joylashgan? a) 26 b) 24 c) 22 d) 25 60. to‘g‘ri to‘rtburchakning eni 10,2 sm, bo‘yi enidan 1 1 3 marta katta. to‘g‘ri to‘rtburchakning yuzini toping. a) 34,2 sm2 b) 3,428 sm2 c) 343,9 sm2 d) 138,72 sm2 61. tenglamani yeching: 5 4 13 52 x   a) 12 b) 24 c) 16 d) 17 62. tenglamani yeching: 1 4 1 3 2 …

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bahodir kamolov, ne’matjon kamalov matematikadan bilimlar bellashuvi va olimpiada masalalari 6-sinf. test 1. tenglamani yeching:  4 3 2 1 3 5x x       a) -1 b) -5 c) 1 d) 0 2. ifodaning qiymatini toping:  3 3 0,54 1,56 7 7     a) 0,09 b) -0,9 c) -0,09 d) 0,9 3. radiusi 8,1 sm bo‘lgan doira yuzining 2 9 qismini toping. ( 3,1  deb hisoblang) a) 45,188 sm2 b) 45,198 sm2 c) 42,78 sm2 d) 44,198 sm2 4. radiusi 7,2 sm va aylana uzunligining 3 8 qismiga teng bo‘lgan yoyning uzunligini toping. bunda 3,14  . a) 5,652 sm b) 16,96 sm c) 16,956 sm d) 16,965 sm 5. …

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