$3.33H$

$6.67H$

$20H$

$10H$

$2.5H$

$50m$

$50mm$

$50cm$

$45cm$

$45mm$

$25cm$

$5cm$

$10cm$

$20cm$

$30cm$

$1.01$$\Omega$

$1.3$$\Omega$

$1.06$$\Omega$

$1.10$$\Omega$

$2.10$$\Omega$

$5890A$

$5900A$

$5900\times {10}^{-8}m$

$Im$

$5800A^0$

$6000$

$5000$

$4000$

$2500$

$1000$

$3.35\times {10}^{10}$

$3.30\times {10}^{18}$

$3.35\times {10}^8$

$3.35\times {10}^{18}$

$3.30\times {10}^{10}$

$12.80km$

$14.80km$

$11.80km$

$11.80m$

$12.80m$

$1620Y$

$760Y$

$2.348Y$

$23.48Y$

$234.8Y$

$27°C$

$273°C$

$0°C$

$1229°C$

$122.9°C$

$574.25°$

$577.25°$

$570.25°$

$579.25°$

$590.25°$

$0.434°C$

$0.234°C$

$0.234°F$

$0.564°C$

$0.123°C$

$2100N$

$2200N$

$2500N$

$2300N$

$3000N$

$1.09\times {10}^{-8}kg{C}^{-1}$

$1.05\times {10}^{-8}kg{C}^{-1}$

$1.03\times {10}^{-8}kg{C}^{-1}$

$1.20\times {10}^{-8}kg{C}^{-1}$

$1.03\times {10}^{-6}kg{C}^{-1}$

$m_0$

$10m_0$

$0.2051m_0$

$2.051m_0$

$20.51m_0$

$9.588mm$

$9.588cm$

$9.588m$

$0.1438m$

$0.1438cm$

$7$

$6$

$5$

$4$

$8$

$100 km$

$25 km$

$640 km$

$6400 km$

$64000 km$

$6.4\times {10}^{-3}m$

$6.4\times {10}^{-4}m$

$6.4\times {10}^{-5}m$

$6.4\times {10}^{-6}m$

$6.4\times {10}^{-2}m$

$10m$

$340m$

$0.15m$

$2\mathrm{\pi }m$

$6.67m$

$340.97m{s}^{-1}$

$340.87m{s}^{-1}$

$340.88m{s}^{-1}$

$350.87m{s}^{-1}$

$350.78m{s}^{-1}$

$0.72A$

$0.64A$

$0.72mA$

$0.64mA$

$7.2A$

$9.87\times {10}^{-6}T$

$8.97\times {10}^{-4}T$

$7.89\times {10}^{-4}T$

$9.87\times {10}^{-4}T$

$8.97\times {10}^{-6}T$

$8.9\times {10}^{-3}C$

$8.9\times {10}^{-9}C$

$6.9\times {10}^{-3}C$

$9.8\times {10}^{-9}C$

$9.8\times {10}^{-6}C$

$184.68W$

$184.68kW$

$185.68W$

$148.86W$

$148.86kW$

$12.3$

$13.3$

$11.3$

$10.3$

$9.3$

$30.46min$

$32.46min$

$34.46min$

$36.46min$

$38.46min$

$0.1773volt$

$0.0591volt$

$0.78volt$

$0.052volt$

$0.1volt$

$4.45\times {10}^{-5}se{c}^{-1}$

$4.45\times {10}^{-6}se{c}^{-1}$

$4.35\times {10}^{-5}se{c}^{-1}$

$4.42\times {10}^{-7}se{c}^{-1}$

$2.67\times {10}^{-5}se{c}^{-1}$

$$\begin{gathered} CH - CH \\ \parallel \parallel \\ HC CH \\ \backslash / \\ N \end{gathered}$$

$$\begin{gathered} H_{2}C - C{H}_2 \\ \parallel \parallel \\ {H}_{2}C C{H}_2 \\ \backslash / \\ S \end{gathered}$$

$$\begin{gathered} HC - CH \\ \parallel \parallel \\ HC CH \\ \backslash / \\ S \end{gathered}$$

$$\begin{gathered} HC - C{H}_2 \\ \parallel \parallel \\ HC C{H}_2 \\ \backslash / \\ S \end{gathered}$$

$$\begin{gathered} H_{2}C - CH \\ \parallel \parallel \\ {H}_{2}C C \\ \backslash / \\ N \end{gathered}$$

$NiS$

$(Ni, Cu, Fe)S$

$(Ni, Co, Fe)A{s}_2$

$NiAs$

$NiAsS$

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

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

$C{H}_3-CH=CHO$

$C{H}_2=C{H}_2$

$C{H}_{3}C{H}_2-OH$

$CuS{O}_4-H_{2}S=CuS-H_{2}S{O}_4$ (কালো)

$Pb\left(N{O}_3\right)-H_{2}S=Pbs+2HN{O}_3$ (কালো)

$HgC{I}_2+H_{2}S=Hgs+2HCI$ (কালো)

$CdC{I}_2+H_{2}S=CdS+2HCI$ (কালো)

$SbC{I}_3+3H_{2}S=S{b}_2{S}_3+6HCI$

$0.0324$

$0.9675$

$1.0334$

$0.0355$

$0.9870$

$C_6{H}_{5}COC{H}_3$

$C_6{H}_{5}NH-C{H}_3$

$C_6{H}_5-CO.NH-C{H}_3$

$C_6{H}_{5}CO.N(C{H}_3{)}_2$

$C_6{H}_{5}CO-NH-(C{H}_3{)}_2$

${}_{13}A{I}^{27}$

${}_{12}M{g}^{23}$

${}_{11}N{a}^{23}$

${}_{13}A{I}^{23}$

${}_{12}M{g}^{24}$

মেসো কম্পাউন্ড তৈরি করতে হবে

কাইরাল কার্বন থাকতে হবে

সমাবির্তিত আলোর তলকে আবর্তিত করে

আলোকে সক্রিয় হয়

দু’টো আলোক সমাণু তৈরি করে

$15.16$

$30.32$

$14.60$

$1.52$

$1.46$

$C(53\%), H(7\%), O(23\%), N(16\%) and P(1\%)$

$C(53\%), H(7\%), S(20\%), P(4\%) and N(16\%)$

$C(53\%), H(7\%), O(23\%), I(1\%) and N(16\%)$

$C(53\%), H(7\%), O(23\%), S(16\%) and N(1\%)$

$C(53\%), H(7\%), O(23\%), N(16\%) and S(1\%)$

$4.8627\times {10}^{-6}m$

$2.16568\times {10}^{-6}m$

$5.16286\times {10}^{-6}m$

$4.8627\times {10}^{-7}m$

$6.5186\times {10}^{-6}m$

$33.18min$

$38.21min$

$76.43min$

$75.53min$

$41.40min$

যদি দুটি পরমাণুর তড়িৎ ঋণাত্মকতা সমান হয় তাহলে সমযোজী বন্ধন বিশুদ্ধ হয়

দুটি পরমাণুর তড়িৎ ঋণাত্মকতার পার্থক্য 0.5 এর কম হলে মোটামুটি অপোলার সমযোজী অণু গঠিত হয়

দুটি পারমাণুর তড়িৎ ঋণাত্মকতার পার্থক্য (0.5-1.7) হলে পোলার সমযোজী অণু গঠিত হয়

দুটি পরমাণুর তড়িৎ ঋণাত্মক পার্থক্য 1.7 এর বেশী হলে আয়নিক অণু গঠিত হয়

পোলারিটি কোন সমযোজী যৌগের বৈশিষ্ট্য নয়

$0.558gm$

$2.790gm$

$0.0558gm$

$0.279gm$

$0.0279gm$

$S{n}^{4+}+2e^{-}\rightleftarrows S{n}^{2+}$

$F{e}^{2+}\rightleftarrows F{e}^{3+}-e^{-}$

$\frac{{\displaystyle 1}}{2}{H}_2\rightleftarrows H^{+}+e^{-}$

$Ca-2e^{-}\rightleftarrows C{a}^{2+}$

$Mn{O^{-}}_4+e\rightleftarrows Mn{O}_4$

$8.6580\times {10}^{12}$

$8.6080\times {10}^{12}$

$8.6580\times {10}^{13}$

$8.6580\times {10}^{11}$

$7.9880\times {10}^{13}$

$50$

$52$

$98$

$25$

$49$

$$\begin{gathered} 234 234 0 \\ Th\to Pa+ e \\ 90 91 -1 \end{gathered}$$

$$\begin{gathered} 22 4 30 1 \\ Ai+ He\to P+ n \\ 13 2 15 0 \end{gathered}$$

$$\begin{gathered} 32 3 34 1 \\ S+ H \to CI+ n \\ 16 1 17 0 \end{gathered}$$

$$\begin{gathered} 238 239 \\ U+ \frac{{\displaystyle 1}}{n}n \to U+\beta \\ 92 92 \end{gathered}$$

$$\begin{gathered} 235 144 90 1 \\ U+ \frac{{\displaystyle 1}}{n}n \to Ba+ kr+2 n\to +Energy \\ 92 56 36 0 \end{gathered}$$

$0.9803M$

$1.0416M$

$0.9693M$

$0.9916M$

$1.0041M$

$-4158.2KJ$

$5761.8KJ$

$4158.2KJ$

$796.84KJ$

$796.84KJ$

$600.64at{m}^2.L^2.mo{l}^{-2}$

$606.64at{m}^2.L^2.mo{l}^{-2}$

$612.64at{m}^2.L^2.mo{l}^{-2}$

$618.64at{m}^2.L^2.mo{l}^{-2}$

$624.64at{m}^2.L^2.mo{l}^{-2}$

$\frac{1}{2}{\tan }^{-1}\left({e^{-x}}^1\right)+C$

$\frac{1}{3}{\tan }^{-1}\left({e^{-x}}^1\right)+C$

$\frac{1}{3}{\tan }^{-1}\left({e^{-x}}^3\right)+C$

${\tan }^{-1}3x+C$

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

$\frac{2}{15}$

$\frac{4}{15}$

$\frac{7}{15}$

$\frac{11}{15}$

$\frac{8}{15}$

$\frac{\mathrm{\pi }}{5}$

$\frac{\mathrm{\pi }}{4}$

$\frac{\mathrm{\pi }}{3}$

$\frac{\mathrm{\pi }}{2}$

$\frac{\mathrm{\pi }}{7}$

$x^2+y^2-hx-ky=0$

$x^2+y^2-h-2k=0$

$x^2+y^2=2h+k$

$x^2+y^2-5h-k=0$

$x^2+y^2-4h-7k=0$

$5x-y+2=0$

$4x-3y=0$

$4x-y=0$

$3x-y=0$

$3x+y=2$

$\frac{1+\sqrt{3}}{3}$

$\frac{2+\sqrt{3}}{2}$

$\frac{2+\sqrt{3}}{3}$

$\frac{1+\sqrt{3}}{5}$

$\frac{3+\sqrt{2}}{7}$

$3x^2+y^2=10x$

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

$x^2+3y^2=7x$

$3x^2+y^2=5x$

$3x^2+3y^2=25x$

$10$

$11$

$12$

$13$

$14$

$5x^2+9y^2=180$

$6x^2+9y^2=183$

$2x^2+y^2=25$

$5x^2+7y^2=25$

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

$4$

$13$

$10$

$\frac{41}{4}$

$\frac{-13}{4}$

$\frac{1}{a}+\frac{1}{b}$

$\frac{1}{a}-\frac{1}{b}$

$\frac{1}{a+b}$

$\frac{1}{a-b}$

$\frac{1}{b}-\frac{1}{a}$

$\frac{\mathrm{\pi }}{2}$

$\mathrm{\pi }$

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

$2\mathrm{\pi }$

$\frac{7\mathrm{\pi }}{2}$

$\frac{\sqrt{{\mathrm{x}}^2-2{\mathrm{y}}^2}}{x}$

$\frac{\sqrt{2{\mathrm{y}}^2-{\mathrm{x}}^2}}{x}$

$\frac{\sqrt{{\mathrm{y}}^2-2{\mathrm{x}}^2}}{y}$

$\frac{\sqrt{{\mathrm{y}}^2-2{\mathrm{x}}^2}}{x}$

$\frac{\sqrt{2{\mathrm{y}}^2-{\mathrm{x}}^2}}{y}$

$10.8783$

$11.0515$

$14.3725$

$11.3725$

$17.0515$

$\frac{4}{9}$

$\frac{3}{4}$

$\frac{1}{4}$

$\frac{5}{9}$

$\frac{1}{2}$ (নিজে চেষ্টা করুন সঠিক উত্তরটি জানা নাই)

$15$ একক

$5\sqrt{2}$ একক

$15\sqrt{2}$ একক

$12$ একক

$10$ একক (নিজে চেষ্টা করুন সঠিক উত্তরটি জানা নাই)

$\pm (2-\sqrt{2})$

$\pm (4-\sqrt{2})$

$\pm \left[\right(\sqrt{8}+2{)}^{\frac{1}{2}}-\left(\sqrt{8-2}{)}^{\frac{1}{2}}\sqrt{-1}\right]$

$\pm \left[\right(\sqrt{8}+2{)}^{\frac{1}{2}}-(2-\sqrt{8}{)}^{\frac{1}{2}}\sqrt{-1}]$

$\pm \left[\right(\sqrt{6}+2{)}^{\frac{1}{2}}-(\sqrt{6}-2{)}^{\frac{1}{2}}\sqrt{-1}]$

$\frac{1}{2}(e^2-5e-1)$

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

$\frac{1}{3}(e^2-4e-2)$

$\frac{1}{3}(2e^2-5e-1)$

$\frac{1}{2e}(5e^2-e-3)$

$\frac{1}{27},\frac{-2}{3},-12$

$\frac{1}{3},\frac{4}{9},2$

$\frac{1}{9},\frac{1}{3},8$

$\frac{1}{3},\frac{2}{3},\frac{{\displaystyle 3}}{3}$

$\frac{-1}{3},\frac{-2}{3},\frac{{\displaystyle 4}}{3}$ (নিজে চেষ্টা করুন সঠিক উত্তরটি জানা নাই)

$x{y}^{2}z$

$2xy{z}^2$

$3xyz$

$4xyz$

$5x^{2}yz$

${10}^6$

${10}^4$

$3\times {10}^6$

$3\times {10}^4$

$7\times {10}^4$

$\frac{3}{x}+\frac{1}{x^2}+\frac{4}{x-2}$

$\frac{3}{x^2}+\frac{4}{x-2}$

$\frac{1}{x^2}+\frac{5}{x-2}$

$\frac{1}{x}+\frac{3}{x^2}+\frac{1}{x-2}$

$\frac{1}{x}+\frac{2}{x^2}+\frac{4}{x-2}$

$4$

$3$

$2$

$1$

$0$

$\frac{{\displaystyle 1+x^2}}{2x-1}$

$\frac{{\displaystyle 2x-1}}{1+x^2}$

$\frac{{\displaystyle 1+x^2}}{2x-1}$

$\frac{{\displaystyle 2x-1}}{1+x^2}$

$\frac{{\displaystyle 1+x^2}}{1-x^2}$

$\frac{{\displaystyle x^2+2y}}{2x+\log x}$

$\frac{{\displaystyle x+2y+5}}{(x+y)\log x}$

$\frac{{\displaystyle xy+y^2+5}}{x+\log x}$

$\frac{{\displaystyle xy+x+y^2}}{x[1+(x+y\left)\log x\right]}$

$\frac{{\displaystyle x+xy-y^2}}{x^2\left[\right(x+y\left)\log x\right]}$

A nice car was had by them

A nice car had had by them

A nice car had been by them

A nice car is had by them

No passive form

Only he agreed to help that boy

He only agreed to help that boy

He agreed only to help that boy

He agreed to help only that boy

None of the above

Bull market

Ten to one

Null and void

Boot lege

None

Rahim requested that we must go for a picnic.

Rahim advised us that we should go to picnic.

Rahim told us to go for a picnic.

Rahim suggested that we should go for a picnic.

Rahim suggested us to go for a picnic.

If you do, you will die

Without doing you will die

For doing you will die

In case of you doing you will die

None of the above

He absented himself from the meeting.

He absented from the meeting.

He absented the meeting.

His meeting was absented from him

None of the above

sits

is sitting

will be sitting

has been sitting

have been sitting

over

into

to

upon

on

Waited

Wait

Waiting

To be waited

None of the above

Word is kept by you.

Your word should be kept.

Word has to be kept by you.

You should keep word.

Word must be kept by you.

Reciprocal

Distributive

Demonstrative

Relative

None of the above

Wait here before I come

Wait here before I arrive

Wait here till I arrive

Wait here till arrive

None of the above

control

restrain

regulate

help

refrain

Horse

Tailor

Gentleman

Shepherd

Bachelor

Which country is Dhaka the capital of?

Dhaka is the capital of which country?

Which is the country of which Dhaka is the capital?

Of which country is Dhaka the capital?

Of what country is Dhaka the capital?

plight

undergoing

go off

imagined

describe

Proper

Common

Collective

Material

None

Short

Shorter

Shorten

Shortness

None

Verb

Preposition

Conjunction

Adverb

None

He gave me many good advice

He gave me many good advices

He gave me many good advise

He gave me many good advise

None f above

of

from

up

over

none

Obedient

Disobedient

Softness

Cruel

Respectable

An impending earthquake

The number of people who will die

The 10km radius of the epicenter

Environmental changes

An impending storm.

Remove

Destroy

Tornado

Enxile

Emaciate

fewer animals going crazy

a lower death rate

fewer people evacuated

fewer environmental changes

No earthquake.