10-11 sinf o’quvchilari uchun onlayn test topshiriqlari
1. Bir ishni ikkita ishchi orasida shunday bo’lish kerakki, ikkinchi ishchiga birinchisidan 25% kam
tegsin. Har bir ishchi butun ishning necha foizidan oladi?
A)37,5% va 62,5% B)100% va 75% C)125% va 100% D)
1
57
%
7
va
6
42 %
7
2. Ifodaning qiymatini toping
7 3 2
+
A)
7
67
7
67
2
2
−
+
+
B)
18
98
18
98
2
2
−
+
+
C)
7
31
7
31
2
2
−
+
+
D)
7 18
7
18
2
2
−
+
+
3. Velosipedchi yo’lning uchdan bir qismini 1 m/s tezlik bilan, keying uchdan bir qismini 2 m/s
tezlik bilan, oxirgi qismini 3 m/s tezlik bilan yurdi. Velosipedchining butun yo’ldagi o’rtacha
tezligini toping.
A) 2 B)
7
1
11
C)
6
D)
1
2
3
4.
xy
x
y
= +
ekani ma’lum, y butun son bo’ladigan x ning nechta butun qiymati mavjud.
A) 2 B) 1 C) bitta ham yoq D) cheksiz ko’p
5. Вeshta yashikda bir xil miqdorda olma bor. Agar har bir yashikdan 60 tadan olma olinsa,
barcha yashiklardagi olmalar soni avval ikkita yashikda nechta olma bo’lsa, shuncha bo’lib
qoladi. Dastlab har bir yashikda nechtadan olma bo’lgan?
A) 110 dona B) 90 dona C) 100 dona D) 120 dona
6. Yig’indini toping
2
2
2
2
2
sin 1
sin 2
sin 3
... sin 88
sin 89
+
+
+ +
+
A) 44,5 B) 45,5 C)46,5 D) 45
7. Hisoblang:
2
2
2
2
2
1
1
1
1
1
1
1
1
... 1
... 1
2
3
4
100
n
−
−
−
−
−
A)
101
200
B)
8
15
C)
7
15
D)
18991
37729
8.
2
4
3
x
x
= +
tenglama ikkita turli ildizga ega.
2
4
x
x
= +
tenglama nechta turli ildizga ega?
A) 3 B) 2 C) 1 D) 0
9. To’rtta natural sonni x, y, z va t ni o’rniga
x
y z t
a
+ + + =
tenglamaga qo’yganda, tenglamani
to’g’ri sonli tenglikka aylantirsa, bu sonlar tenglamaning natural yechimi deb ataladi.
10
x
y
z
t
+ + + =
tenglamaning nechta turli natural yechimi mavjud?
A) 108 B) 84 C) 132 D) 36
10. Agar
2
0
ax
bx
c
+
+ =
tenglama ikkita turli noldan farqli va xar biri birdan katta bo’lgan ildizga
ega bo’lsa,
2
2
(
)(
)
0
ax
bx c cx
bx
a
+
+
+
+
=
tenglama nechta turli ildizga ega bo’lishi mumkin?
A) 2 yoki 3 B) faqat 3 C) 2 yoki 3 yoki 4 D) faqat 4
11.
2
0
ax
bx
c
+
+ =
tenglama uchun с<0; a+b+c>0; 4a+2b+c<0 ekani ma’lum.
a b c
ko’paytmaning ishorasini aniqlang.
A) abc>0 B) abc<0 C) abc=0 D) abc>0 yoki abc<0
12. 1 dan 665 gacha barcha natural sonlarning ko’paytmasi nechta nol bilan tugaydi?
A) 201 B) 165 C) 184 D) 12
13. a ning qanday eng katta qiymatida
2
2
2
2
18
65
(
3
7)
6
1
169
a
a
y
x
a
a
x
a
a
−
+
=
+
+
+ +
−
−
funksiyaning grafigi
parabola bo’lmaydi?
A) barcha a larda B) 13 C)
1
6
D) 5
14.
2
y
x
bx
c
=
+
+
parabolaning uchi
2
8
y
x
=
−
va
5
1
y
x
=
+
tenglamalar bilan berilgan to’g’ri
chiziqlarning kesishish nuqtasi bo’ladi. Paraboladagi birinchi koordinatasi 1 ga teng bo’lgan
nuqtaning ikkinchi koordinatasini toping.
A) 1 B) 2 C) 3 D) -1
15.
2
y
ax
bx
c
=
+
+
tenglama bilan berilgan parabolaning uchi B (7,11) nuqtada. Parabola abssisalar
o’qini A va С nuqtalarda kesib o’tadi. ABC Uchburchakning yuzi 66 ga teng.
2
0
ax
bx
c
+
+ =
tenglamaning ildizlari ko’paytmasini toping.
A) 13 B) -13 C) 77 D) 28
16. Agar parabola A (3;1) nuqtadan o’tsa va uning uchi B(2;-1) nuqtada bo’lsa, parabolaning
tenglamasini yozing.
A)
2
2
3
y
x
x
=
−
+
B)
2
3
5
11
y
x
x
=
−
−
C)
2
3
8
7
y
x
x
=
+
−
D)
2
2
8
7
y
x
x
=
−
+
17. Birinchi koordinatalar choragi bissektrisasiga nisbatan
2
3
x
y =
+
to’g’ri chiziqqa simmetrik
bo’lgan to’g’ri chiziq tenglamasini yozing.
A)
2
3
x
y = −
+
B)
3
6
y
x
=
−
C)
3
6
y
x
= − +
D)
2
3
3
y
x
= − −
18.
100
25
25
100
100
100
−
−
Ifodaning qiymatini toping.
A) 1 B) -1 C) 0 D) mavjud emas
19. Tenglamani yeching:
6
3
12 6
4
4
x
x
x
x
=
A) 256 B) 16 C) 64 D) 32
20.
5
3
a = +
va
3
14
b = +
ifodalarning qiymatlarini taqqoslang.
A) taqqoslab bo’lmaydi B) a>b C) a=b D) a
21. Agar
4
4
5
a
a
−
+
=
bo’lsa,
12
12
a
a
−
+
ni toping.
A) 119 B) 121 C) 125 D) 110
22.
ABC
va
1
1
1
A B C
uchburchaklar berilgan.
1
1
AB
A B
=
va
1
1
AC
A C
=
. A burchak
1
A
burchakdan ikki
marta katta. Uchburchaklar yuzlari bir xil.
1
A
burchak kattaligini toping.
A)
45
B)
60
C)
90
D)
120
23. ACB to’g’ri burchakli uchburchakda tog’ri burchagidan CD balandlik o’tkazilgan. ADC
uchburchakka ichki chizilgan aylananing radiusi
13
ga teng, BDC uchburchakka ichki chizilgan
aylananing radiusi
3
ga teng. ACB uchburchakka ichki chizilgan aylananing radiusi nimaga teng?
A) 4 B)
3
3
13
C)
39
D)
1
4
3
24. ABC uchburchakning AB tomonida M nuqta, BC tomonida N nuqta, AC tomonida K nuqta
qo’yilgan. AN, BK, CM kesmalar bir nuqtada kesishadi.
3
5
AM
MB
=
va
7
2
BN
NC
=
bo’lsa,
CK
AK
ni toping.
A) 23:35 B) 2:3 C) 10:21 D) 5:7
25. ACB to’g’ri burchakli uchburchakda
13
5
AB
AC
=
. CK kesma to’g’ri burchakning bissektrisasi. ACK
uchburchakning yuzi 40 ga teng. BCK uchburchakning yuzini toping.
A) 72 B) 80 C) 48 D) 96
0>0>
Do'stlaringiz bilan baham: |