0.42 molal

0.60 molal

1.66 molal

0.21 molal

0.41 molal

$5 x {10}^{14 }Hz$

$1.078 x {10}^{15 }Hz$

$1.078 x {10}^{14 }Hz$

$1.078 x {10}^{13} Hz$

$2.6 x {10}^{-19 } Hz$

132.1cm

10cm

13.2cm

125cm

25cm

$7.48 x {10}^{5 }W$

45.6 MW

$2.85 x {10}^5 w$

$7.48 x {10}^5 MW$

14.97 MW

$2.5 x {10}^{-3} \mu V/m$

$2\times {10}^{-3}V/m$

$2.5 x {10}^{-3 }V/m$

$50 x {10}^{-6} \mu V/m$

$50 \mu V/m$

36 s

9.8 s

7.2 s

1.8 s

3.6 s

He was a victim of Addison's disease

He was a victim of Grave's disease

He was a victim of diseases that severely weaken, the control over his muscles

He was a victim of diseases that enhances the control over his muscles

He was a victim of strong cyclone to lose the movement of his muscles

He is working with research and lectures

He is working with the assistance of a computer and a machine that converts messages into sound

He is working with a nurse for twenty-four hours

He is working with an American association

He is working with his wife and three daughter

sometimes

some time

sometime

some times

something

Memorandums

Memorandas

Memorandras

Memoranda

Memories

The flower had lost its freshness

The flower has lost its life

The flower has lost its beauty

The flower has lost its glamour

The flower have lost its life

start up

take in

take up

take off

get up

(about, of)

(about, with)

(about, by)

(about, to)

(about, on)

His death was caused to fever

Fever was died of by him

Fever was caused him to die of

He was caused to die of fever

He was died of by fever

had been grown

grew

was grown

had been grown

had grown

Mother asked whether I had known the way

Mother asked if I didn't know the way

Mother said whether I would know the way

Mother asked if I don't know the way

Mother said if I know the way

What a shocking news it was to her!

How was shocking the news to her!

What a sorrowful news it was to her!

How shocking the news was to her!

What a shocking news to her!

To act recklessly

Helping all

Riding fast

Pleasure trip

Horse race

The boy said with fear that it is a terrible storm

The boy exclaimed what a terrible storm it was

The boy exclaimed with fear that it was a very terrible storm

The boy said with fear that it was a terrible storm

The boy said what a terrible storm it was

Do you?

Don't I?

Do I?

Aren't you?

Don't you?

No one could be eluded to the misfortune

No one eluded from misfortune

No one could elude from misfortune

No one could eluded to the misfortune

No one eluded to the misfortune

Good partner

Inactive partner

Bed partner

Wife

Husband

on

below

up

above

down

wage

black money

bribe

hard-earned money

percentage of interest

none

at

in

to

for

telecasted

being telecast

been telecast

been telecasted

being telecasted

will be leaving

leaves

shall leaving Cleft

Left

will leaving

Wastrel

Dullard

Legend

Envoy

Leggend

Where had man come from and where will he be going?

Where was man found, where will he enter?

Were is man coming from and where is he going?

Where is man's post, where is his future?

Where did man come from and where will he go?

He is rich so he is unhappy

He is rich that is why he is unhappy

He is rich so that he is unhappy

He is rich and unhappy

He is rich but unhappy

I saw what a book was read by him

He was reading a book seen by me

He was seen reading a book by me

I saw him that a book was read

He was reading a book that was seen by me

কোনটিই নয়

$7cm se{c}^{-1}$

$70 cubic mm se{c}^{-1}$

$0.7cc se{c}^{-1}$

$7cc se{c}^{-1}$

32

–5

–7

0

16

$\frac{{\sin }^2\left(a+y\right)}{\cos y}$

$\frac{\sin 2\left(a+y\right)}{\cos a}$

$\frac{{\sin }^2\left(a+y\right)}{sec a}$

$\frac{{\sin }^2\left(a+y\right)}{\tan a}$

$\frac{{\sin }^2\left(a+y\right)}{\sin a}$

3, 11

4,–1

4,–7

5, –3

1, –7

$\frac{1}{2e}(3e^2 - 6e-1)$

$\frac{1}{4e} (5e^{2 }– 7e + 11)$

$\frac{1}{2}(3e^{2 }–7)$

$(e^2- 7e + 1)$

$\frac{1}{e}(e^2-2e+7)$

8

$x\stackrel{lim}{\to 0 }\frac{a\sin x-3x}{5x}$

5

3

2

$C_6{H}_6$

$C{H}_3-C{H}_2-NO-C{H}_2-C{H}_3$

$C{H}_3-C{H}_2-N{H}_2$

$C_2{H}_6$

$C{H}_3-C{H}_2-NH-C{H}_3$

22.40 L

21.50 L

20.60 L

32.25 L

24.37 L

99.99 min

62.65 min

33.33 min

66.66 min

1999.91 min

1.69

8.77

12.30

13.31

13.98

+12.134

+45.096

–45.096

+57.23

–57.23

0.1175 V

0.1161 V

0.1155 V

0.1170 V

0.1165 V

$C{H}_2 = C{H}_2$ বিঃদ্রঃ-(নিজে চেষ্টা করুন সঠিক উত্তরটি জানা নেই)

$C_2{H}_6$

$C{H}_3-C \equiv CH$

$C{H}_3-CH = C{H}_2$

$C{H}_3-C{H}_2-C{H}_3$

0.45M

0.6M

0.9M

0.25M

0 4M

$2.0112 \times {10}^{23}$

$1.9426 x {10}^{22}$

$1.9426 x {10}^{21}$

$1.9672 \times {10}^{23}$

$0.19672 \times {10}^{23}$

$C{I}^{-}$

$S^{2-}$

$S{O_4}^{2-}$

$F^{-}$

$C{O_3}^{2-}$ বিঃদ্রঃ-(নিজে চেষ্টা করুন সঠিক উত্তরটি জানা নেই)

$CHC{l}_{3 }+ 4NaOH\left(alc\right) \to HCOONa + NaCl + H_{2}O$

$CHC{l}_3 + HN{O}_3 \underset{∆}{\to } CC{l}_3-N{O}_2 + H_{2}O$

$CHC{I}_3 \stackrel{Zn/HCI}{\to } C{H}_4 + HCI$

$CHC{I}_{3 }\stackrel{Zn/HzO}{\to } C{H}_4 + HCI$

$CHC{l}_3\left(I\right) + O_2\left(g\right)\stackrel{আোল}{\to } 2COC{l}_2\left(g\right) + 2HCl\left(g\right)$

$Z{n}^{2+} + 2e \to Zn$

$F{e}^{2+}– e \to F{e}^{3+}$

$Fe - 3e \to F{e}^{3+}$

$F{e}^{3+} + 2e \to F{e}^{+}$

$A{l}^{3+}– e \to A{l}^{2+}$

$\left\{2,-2\right\}$

$\left\{5,-5\right\}$

$\left\{-3,3\right\}$

$\left\{-4,4\right\}$

$\left\{-7,7\right\}$

$9-8a+a^4$

$7+15a^2-a^4$

$11-9a+8a^2$

$2+24a^2-24a^4$

$5-7a+a^2$

147,234

136, 2454

3021, 226

2150, 215

334, 2354

u

k

0

–935

–297

$C{r}_2{O}_5$

$C{r}_2{O}_3$

$NaC{r}_2{O}_7$

$PbCr{O}_4$

$FeO.C{r}_2{O}_3$

0.804:1.0

0.708:1.0

0.604:1.0

0.907:1.0

0.599:1.0

$5.76 x {10}^{-6} mg$

$5.76 x {10}^{-6} kg$

$5.04 x {10}^{-6} mg$

$5.04 x {10}^{-6 }kg$

$4.32 x {10}^{-6} kg$

$3.56 x {10}^{-2 }atm$

$7.13 x {10}^{-3} atm$m

$3.74 x {10}^{-2} atm$

$7.48 x {10}^{-2 }atm$

$7.13 x {10}^{-2} atm$

$0.0444 mo{l}^{-1}se{c}^{-1}$

$5 x {10}^{-4}mo{l}^{-1} se{c}^{-1}$

$0.023 mo{l}^{-1}mi{n}^{-1}$

$7.40 x {10}^{-4} mo{l}^{-1}se{c}^{-1}$

$7.40 x {10}^{-4} mo{l}^{-1}mi{n}^{-1}$

$\left(P+\frac{a}{V^2}\right)\left(2V-b\right)=RT$

$\left(P+\frac{a}{4V^2}\right)\left(V-\frac{b}{2}\right)=RT$

$\left(P+\frac{a}{2V^2}\right)\left(V-2b\right)=RT$

$\left(2P+\frac{a}{2V^2}\right)\left(2V-b\right)=RT$

$\left(P+\frac{a}{2V^2}\right)\left(V-\frac{b}{2}\right)=RT$

$C{H}_3 CHCIC{H}_3$

$C{H}_3-\stackrel{\stackrel{O}{\parallel }}{C}-c1$

$CIC{H}_2-\stackrel{\stackrel{O}{\parallel }}{C}H$

$CIC{H}_{2}C{H}_{2}N{H}_2$

$C{H}_{3}C{H}_{2}C{H}_{2}Cl$

$27.38°C$

$273°C$

$52.76°C$

$327.76°C$

$54.76°C$

i ও iii

ii ও iii

i, ii ও iii

i

i ও ii

89.44

96.36

99.64

99.60

89.40

Ni

Co

Mn

Zn

Al

$-273 K$

$538.7°C$

$265.72°C$

$269.36°C$

$-3.64°C$

$\frac{7}{36}$

$\frac{1}{36}$

$\frac{5}{36}$

$\frac{2}{3}$

$\frac{1}{6}$

330 taka

360 taka

420 taka

448 taka

650 taka

3,1

2,4

-2,1

3,2

1,5 বিঃদ্রঃ-(নিজে চেষ্টা করুন সঠিক উত্তরটি জানা নেই)

4N

2N

2.5N

5N

6N

$3\sqrt{5}$

$4\sqrt{5}$

$10\sqrt{2}$

$5\sqrt{2}$

$4\sqrt{2}$

$\frac{{\displaystyle 2\pi }}{3}$

$\frac{{\displaystyle 5\pi }}{6}$

$\pi$

$\frac{{\displaystyle 3\pi }}{4}$

$\frac{\pi }{3}$

$5\frac{12}{13}$

$4\frac{3}{11}$

$5\frac{7}{9}$

$2\frac{13}{36}$

$3\frac{11}{13}$

2sinA

2cosA

2tanA

3cotA

2sec2A

$30°$

$75°$

$45°$

$50°$

$60°$

$x^2 + 4y^{ 2}= 4$

$x^2 + y^2 = 9$

$x^{2 }+ 9y^2 = 25$

$3x^2 + y^{2 }= 11$

$3x^{2 }+ y^2 = 16$

4x + 3y = 20.5

3x + 4y = 32.5

3x + 4y = 7

4x + 3y = 9

7x + y = 11

0

$4+2\sqrt{10}$

$6+2\sqrt{5}$

4

$2\sqrt{10}$

$\cos e{c}^{-1}x$

${\tan }^{-1}x$

${\cos }^{-1}x$

${\sin }^{-1}x$

$\frac{1}{a}se{c}^{-1}\frac{x}{a}$

$4/n3+1$

$\frac{1}{2}/n3$

$2/n3+5$

$3/n3+\frac{1}{2}$

$2/n2-1$

$\left(2\sqrt{3},\frac{\pi }{6}\right)$

$\left(2\sqrt{3},\frac{7\pi }{6}\right)$

$\left(2\sqrt{3},\frac{\pi }{3}\right)$

$\left(-2\sqrt{3},\frac{\pi }{3}\right)$

$\left(-2\sqrt{3},\frac{7\pi }{6}\right)$

10.95 units

17.6 units

17.66 units

15.74 units

18.97 units

$8°36\text{'}$

$7°56\text{'}$

$8°56\text{'}$

$9°2\text{'}$

$8°41\text{'}$

4.06 MW

4.86 MW

2.38 MW

420 MW

238 MW

$122.9°C$

410K

$126.81°C$

395.6K

$127°C$

1.066 J

1.143 J

$1.15 N/m^2$

$1.143 N/m^2$

$1.066 N/m^2$

$163 cm/s^2$

$1.7 m/s^2$

$196 cm/s^2$

$1.9 m/s^2$

$1.64 m/s^2$

$8.5 kW/m^2$

$8.99 kW/m^2$

$8.99 W/m^2$

$8.47 W/m^{2 }$

$8.47 kW/m^2$

53dB

53.01dB

55.06dB

53.02B

56.93B

$2.74 x {10}^{-9} N$

$2.75 x {10}^{-7} N$

$1.46 x {10}^{-7 }N$

$2.91 x {10}^{-9} J$

$2.91 x {10}^{-8} N$

$7.2 x {10}^8 V$

$8.4 x {10}^9 V$

$7.19 x {10}^{12 }V$

$7.08 x {10}^{11 }V$

$8.19 x {10}^{10} V$

26.2H

25.38H

25.4mH

$\underline{30.45H}$

$0.56A{m}^2$

$5.8 x {10}^{-5 }kg{m}^2$

$4.6 x {10}^{-5}A{m}^2$

$45.39 x {10}^{-6}kg{m}^2$

$4.54 x {10}^{-5} A{m}^2$

$4.6 x {10}^{-4} kg{m}^2$

34.44 min

35 min

35.23 min

34 min

36 min

$35.98°$

$36°5\text{'}$

$36°$

$35°22\text{'}$

$36.13°$

0.942

0.93

0.95

0.96

0.926

$7.73 x {10}^8$

$2.27 x {10}^7$

$7.76 x {10}^7$

$2.25 x {10}^7$

$2.486 x {10}^7$

$2.13\stackrel{\circ }{A}$

$3.14\stackrel{\circ }{A}$

$2.13 x {10}^{-10} cm$

$2.45 x {10}^{-10}m$

$2.65\stackrel{\circ }{A}$

60 yrs

58 yrs

57.44 yrs

58.2 yrs

56.58 yrs

10m/s

12m/s

$\pi /6m/s$

120m/s

120cm

$23.6 x {10}^{-3}m$

$23.6 x {10}^{-4 }m$

17.7 mm

$17.7 x {10}^{-4 }m$

$23.6 x {10}^{-5}m$