IV-chorak 1-variant
1. 6,8 va 12,4 sonlarini o’rta arifmetik qiymatini toping.
A) 8,8 B) 9,8 C) 8,9 D) 9,6
2. 11,2 va a sonlarining o’rta arifmetik qiymati 20 ga teng bo’lsa, a sonini toping.
A) 28,8 B) 24,6 C) 18,9 D) 24,6
3. 600 sonining 40% foizini toping.
A) 340 B) 120 C) 240 D) 180
4. 25% foizi 840 ga teng bo’igan sonni toping.
A) 1960 B) 2854 C) 3560 D) 3360
5. Yoyiq burchak necha gradusga teng.
A) 1600 B) 1800 C) 900 D) 3600
6. 560 sonining qismini toping.
A) 336 B) 112 C) 226 D) 316
7. Tenglamani yeching: 1024:x=32
A) 23 B) 36 C) 18 D) 32
8. Hisoblang: ( 102 -82 )∙9+36
A) 360 B) 440 C) 280 D) 460
9. Tezligi 60 km/soat bo’lgan avtomobil 720 km masofani necha soatda bosib o’tadi.
Javob:__________________________________________________________________
10. Qirrasi 12 sm bo’lgan kubning sirti yuzini toping.
Javob:___________________________________________________________________
11. Tenglamani yeching: .
Javob:____________________________________________________________________
12. Tomonlari 4,8 dm va 5,4 dm bo’lgan to’g’ri to’rtburchakning yuzini toping.
Javob:____________________________________________________________________
13. Uchta shkafda jami 112 ta kitob bor. Ikkinchi shkafda birinchisiga qaraganda 6 ta ko’p, uchinchisida esa 8 ta kam. Har bir shkafda nechtadan kitob bor.
Javob:______________________________________________________________________
14. Tenglamani yeching: 58 884( x+402) = 84
Javob:_____________________________________________________________________
15. Kitob daftarga qaraganda 7 marta qimmat. Kitob uchun daftarga qaradanda 900 so’m ortiq to’landi . kitob necha so’m turadi.
Javob:_______________________________________________________________________
IV-chorak 2-variant
1. 10,8 va 9,4 sonlarini o’rta arifmetik qiymatini toping.
A) 10,,8 B) 9,8 C) 10,1 D) 9,6
2. 14,6 va a sonlarining o’rta arifmetik qiymati 30 ga teng bo’lsa, a sonini toping.
A) 34,8 B) 24,6 C) 35,6 D) 45,4
3. 900 sonining 60% foizini toping.
A) 640 B) 540 C) 240 D) 180
4. 30% foizi 420 ga teng bo’igan sonni toping.
A) 1400 B) 2500 C) 3560 D) 3360
5. Yoyiq burchak necha gradusga teng.
A) 1600 B) 1800 C) 900 D) 3600
6. 840 sonining qismini toping.
A) 700 B) 560 C) 226 D) 600
7. Tenglamani yeching: 625:x=25
A) 23 B) 36 C) 18 D) 25
8. Hisoblang: ( 102 -82 )∙9+36
A) 360 B) 440 C) 280 D) 460
9. Tezligi 90 km/soat bo’lgan avtomobil 810 km masofani necha soatda bosib o’tadi.
Javob:__________________________________________________________________
10. Qirrasi 15 sm bo’lgan kubning sirti yuzini toping.
Javob:___________________________________________________________________
11. Tenglamani yeching: .
Javob:____________________________________________________________________
12. Tomonlari 6,5 dm va 7,4 dm bo’lgan to’g’ri to’rtburchakning yuzini toping.
Javob:____________________________________________________________________
13. Uchta shkafda jami 112 ta kitob bor. Ikkinchi shkafda birinchisiga qaraganda 6 ta ko’p, uchinchisida esa 8 ta kam. Har bir shkafda nechtadan kitob bor.
Javob:______________________________________________________________________
14. Tenglamani yeching: 33 369:( x - 816) = 49
Javob:_____________________________________________________________________
15. Qalam daftarga qaraganda 6 marta qimmat. Qalam uchun daftarga qaradanda 200 so’m ortiq to’landi . Daftar necha so’m turadi.
Javob:_______________________________________________________________________