$1+7x$

$2+5x$

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

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

$\frac{7}{1+x^2}$

$\frac{a}{(2a-y{)}^2}$

$-\frac{a}{(a+2y{)}^2}$

$\frac{3a}{a+5y}$

$\frac{2a}{7t}$

$\frac{a}{5t}$

$\frac{7x}{\left(x^2-1\right)}$

$\frac{3x}{\sqrt{\left(x^2+1\right)}}$

$\frac{1}{\sqrt{\left(1-x^2\right)}}$

$\frac{5x}{\sqrt{\left(1-x^2\right)}}$

$\frac{-x}{\sqrt{\left(1-x^2\right)}}$

$x {\cos }^{-1}x-\sqrt{1-x^2}+c$

$x {\cos }^{-1}x+\sqrt{1-x^2}+c$

$x [{\cos }^{-1}x-\sqrt{1-x^2}]+c$

$x [{\cos }^{-1}x+\sqrt{1-x^2}]+c$

$x {\cos }^{-1}x-\sqrt{1-x^2}+c$

$\tan x+ c$

$cot x+ c$

$2\sqrt{\tan } x+ c$

$\frac{{\displaystyle \sqrt{\tan } x}}{2}+ c$

$\log \left(\sin 2x\right)+c$

$1$

$\mathrm{\pi }$

$\frac{{\displaystyle \mathrm{\pi }}}{2}-1$

$\frac{{\displaystyle \mathrm{\pi }}}{2}+1$

$1-\mathrm{\pi }$

$2$

$3$

$-2$

$4$

$-3$

$45°$

$60°$

$30°$

$135°$

$120°$

$7$

$9$

$\sqrt{130}$

$\sqrt{127}$

$\sqrt{147}$

${\left(x+y\right)}^2-7x=9y+2$

${\left(x+y\right)}^2-4x+5y=0$

${\left(x+2y\right)}^2-7x+5y=5$

${\left(x-y\right)}^2+4x=7y$

${\left(x+y\right)}^2-4x+4y-4=0$

$\sin \left(A-B\right)$

$\sin \left(B-A\right)$

$\cos \left(B-A\right)$

$-\cos \left(B-A\right)$

$1$

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

$\frac{a^2-b^2}{a^2+b^2}$

$\frac{2a^2-b^2}{a^2+b^2}$

$\frac{a^3+1b^2}{a^3-b^2}$

$\frac{a^2+3b^2}{a^2-2b^2}$

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

$\frac{5\mathrm{\pi }}{4}$

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

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

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

$1$

$-1$

$0$

$2$

$-2$

$13ft$

$14ft$

$15ft$

$16ft$

$17ft$

$14meter$

$18 meter$

$16 meter$

$12 meter$

$22 meter$

$\frac{2\sqrt{61}}{13}$

$\frac{2\sqrt{7}}{13}$

$\frac{2\sqrt{11}}{7}$

$\frac{5\sqrt{65}}{13}$

$\frac{2\sqrt{5}}{3}$

$x^2-3x+7=0$

$9x^2-27x+20=0$

$9x^2-20x+27=0$

$3x^2-21x+20=0$

$3x^2-21x+21=0$

$1-e$

$e-1$

$e^2-1$

$e^{\frac{1}{2}}-1$

$e^{\frac{1}{2}}+1$

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

$x+\frac{1}{{\displaystyle 3}\left(x+1\right)}-\frac{5}{{\displaystyle 3}\left(x^2-2x+1\right)}$

$\frac{1}{{\displaystyle 2x+5}}+\frac{3}{x^2+11}$

$x+\frac{5}{{\displaystyle x+1}}+\frac{9x}{x^2+3x+5}$

$\frac{11}{{\displaystyle 2x+1}}+\frac{9x}{x^2+5}$

${\left(2+a^2+b^2\right)}^2$

${\left(a+b+5\right)}^5$

$a^2+b+7$

$a^2-2b+11$

$\left(1+a^2-b^2\right)$

${}^{n+3}{C}_{r-1}$

${}^{n-3}{C}_{r-1}$

${}^{n+1}{C}_r$

${}^{n+11}{C}_r$

${}^{n+1}{C}_{r-1}$

$\frac{1}{3}\left(5+\cos x\right)$

$\frac{1}{2}\left(1+\cos 2x\right)$

$\left(7+\cos 3x\right)$

$\frac{1}{2}\left(1+\cos 3x\right)$

$\frac{1}{2}\left(1+\sin 3x\right)$

$\frac{1 }{3}$

$-\frac{1}{3}$

$3$

$-\frac{1}{2}$

$\frac{1}{2}$

$-\frac{1}{\left(1+x\right)}$

$\frac{1 }{{\displaystyle {\left(1+2x\right)}^2}}$

$\frac{7}{1+5x}$

$\frac{2}{1-9x}$

$\frac{11}{1-5x}$

$-5D$

$-3D$

$-4D$

$+5D$

$+4D$

$12.0 cm$

$14.0 cm$

$10.0 cm$

$20.0 cm$

$12.5 cm$

$125.22 mm$

$125.22s$

$122.25s$

$120.11s$

$125.20s$

$40 cm$

$60 cm$

$50 cm$

$80 cm$

$80 mm$

$1.836s$

$2.13s$

$3.15s$

$1.43s$

$2.86s$

$5s$

$1s$

$3s$

$6s$

$4s$

$-88.25°C$

$-166.13°C$

$88.25°C$

$-66.10°C$

$166.13°C$

$100\%$

$0\%$

$26.81\%$

$28.62\%$

$26.05\%$

$190 Hz$

$550 Hz$

$650 Hz$

$900 Hz$

$600 Hz$

$5890A^{° }$

$5900A^{° }$

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

$2m$

$5800A^{° }$

$7\mu F$

$6\mu F$

$8\mu F$

$4\mu F$

$5\mu F$

$18\Omega$

$21\Omega$

$24\Omega$

$27\Omega$

$30\Omega$ (নিচে চেষ্টা করুন সঠিক উত্তরটি জানা নাই)

$4.251 eV$

$.846 eV$

$2.486 eV$

$5.105 eV$

$2.483 MeV$

$4.27\times {10}^{-3}{y}^{-1}$

$2.69\times {10}^{-4}{y}^{-1}$

$8.54\times {10}^{-4}{y}^{-1}$

$5.29\times {10}^{-}4y^{-1}$

$4.27\times {10}^{-4}{y}^{-1}$`

$2.598\times {10}^{8}m/s$

$2.698\times {10}^{8}m/s$

$2.798\times {10}^{8}m/s$

$2.85\times {10}^{8}m/s$

$2.789\times {10}^{8}m/s$

$20°$

$25°$

$27°$

$30°$

$40°$

$1.555\times {10}^{-3}J$

$1.555\times {10}^{-4}J$

$1.550\times {10}^{-3}J$

$1.655\times {10}^{-3}J$

$1.550\times {10}^{-2}J$

$20 sec$

$20 sec$

$18 sec$

$19 sec$

$21 sec$

$8.200\times {10}^{4}m$

$8.213\times {10}^{4}m$

$8.213\times {10}^{4}cm$

$8.213\times {10}^{4}mm$

$8.213\times {10}^{3}m$ (নিচে চেষ্টা করুন সঠিক উত্তরটি জানা নাই)

বালকের আদিবেগ $5.82m{s}^{-1}$ এবং লোকের আদিবেগ $3.41m{s}^{-1}$

বালকের আদিবেগ $4.82m{s}^{-1}$ এবং লোকের আদিবেগ $2.41m{s}^{-1}$

বালকের আদিবেগ $4.82m{s}^{-1}$ এবং লোকের আদিবেগ $2.44m{s}^{-1}$

বালকের আদিবেগ $2.41m{s}^{-1}$ এবং লোকের আদিবেগ $4.82m{s}^{-1}$

বালকের আদিবেগ $4.82m{s}^{-1}$ এবং লোকের আদিবেগ $2.41m{s}^{-1}$

$9.99N$

$9.90N$

$9.99kN$

$9.95N$

$9.98N$

$1932.99K$

$1933.23K$

$1932.00K$

$1933.00K$

$1930.99K$

$140 Hz$

$175 Hz$

$150 Hz$

$110 H$

$125 Hz$

$8.14 km$

$8.12 km$

$8.12 m$

$8.10 km$

$8.00 km$

$40\mu T$

$35\mu T$

$32\mu T$

$38\mu T$

$30\mu T$

পাঁচটি সমযোজী বন্ধন

একটি সন্নিবেশ সমযোজী বন্ধন ও তিনটি সমযোজী বন্ধন

একটি সন্নিবেশ সমযোজী বন্ধন ও তিনটি আয়নিক বন্ধন

পাঁচটি আয়নিক বন্ধন

কোনটিই সঠিক নয়

$0.40mol.L^{-1}$

$0.42mol.L^{-1}$

$2.31\times {10}^{-4}mol.L^{-1}$

$3.89\times {10}^{-4}mol.L^{-1}$

$0.70mol.L^{-1}$

$pH=p{K}_a -\log \left|\frac{Acid}{Salt}\right|$

$p{K}_a=pH+\log \left|\frac{{\displaystyle Salt}}{{\displaystyle Acid}}\right|$

$pH=p{K}_a -\log \left|\frac{{\displaystyle Salt}}{{\displaystyle Acid}}\right|$

$pH=p{K}_a +\log \left|\frac{{\displaystyle Acid}}{{\displaystyle Salt}}\right|$

$-\log \left[H\right]=-\log K_a+\log \left|\frac{{\displaystyle Acid}}{{\displaystyle Salt}}\right|$

$0.7402 Volts$

$0.7305 Volts$

$1.3862 Volts$

$0.7765 Volts$

$0.7757 Volts$

$1260.56 MeV$

$1.25\times {10}^{-4} MeV$

$12.60\times {10}^{-5} MeV$

$12600 MeV$

$1.26\times {10}^{-2} MeV$

$9.18g$

$0.02g$

$0.15g$

$3.06g$

$1.53g$

$2N{H}_3\left(g\right)+3CuO\left(s\right)=3Cu\left(s\right)+3H_2\left(g\right)+N_2{O}_3\left(g\right)$

$PtC{I}_4+2HCI=H_{2}PtC{I}_6$

$2Pb{O}_2+2H_{2}S{O}_4=2PbS{O}_4+O_2+2H_{2}O$

$S{O}_2+C{I}_2+2H_{2}O=H_{2}S{O}_4+2HCI$

$2KMn{O}_4+3H_{2}S{O}_4+5H_{2}S=K_{2}S{O}_4+2MnS{O}_4+8H_{2}O+5S$

$AI>C>Cr>Mn$

$Cd>Cp>Sm>Hg>Pb$

$Mn>Zn>Fe>Cd>Cr$

$Cu>Hg>Ag>Pt>Au$

$Li>Na>AI>Ca>Mg$

$K_3\left[Fe\right(CN{)}_6]$

$K_{2}Fe\left[Fe\right(CN{)}_6]$

$Fe\left[Fe\right(CN{)}_6]$

$\left[FeSCN\right(H_{2}O{)}_5]C{I}_2$

$KFe\left[Fe\right(CN{)}_6]$

$\delta$ বন্ধন আছে

$\pi$ বন্ধন আছে

কার্বণ পরমাণু $S{P}^2$ সংকরায়িত

গঠন সমতলীয়

ইলেকট্রন আকর্ষী যুত বিক্রিয়া দেয়

$1.21\times {10}^{-3}$

$0.034$

$13.6$

$27.4$

$2.43\times {10}^{-3}$

$S{O^{{{}^2}^{-}}}_{4 }$

$S_2{O^{{{}^2}^{-}}}_{8 }$

$S{O^{{{}^2}^{-}}}_{3 }$

$S_4{O^{{{}^2}^{-}}}_{6 }$

$S_3{O^{{{}^2}^{-}}}_{6 }$

Benzene

Benzoic acid

Benzaldehyde

Aniline

Chlorobenzene

$1.61\%$

$2.17\%$

$1.82\%$

$3.22\%$

$2.81\%$

$R-N{H}_2$

$RCOON{H}_2$

$RCON{H}_4$

$RCON{H}_2$

$RC{H}_{2}N{H}_2$

$0.50$

$0.25$

$0.75$

$0.60$

$0.40$

$2$

$4$

$6$

$8$

$10$

$0.0987g$

$0.00329g$

$0.987g$

$9.8\times {10}^{23}g$

$1.87\times {10}^{21}g$

$0.2M$

$0.05M$

$0.5M$

$0.1M$

$0.02M$

কপার ক্ষয় প্রাপ্ত হবে

ম্যাগনেসিয়াম জমা পড়বে

কপার জারিত হবে

$M{g}^{2+}$ বিজারিত হবে

$M{g}^{2+}$ বিজারিত হবে না

অর্থোরম্বিক

টেট্টাগোনাল

ট্রাইক্লিনিক

কিউবিক

রম্বোহেড্রাল

$3$

$3s,3p,3d$

$0,1$

$0,1,2,3$

$0,1,2$

$6.7764g$

$3.3882g$

$2.2580g$

$1.1294g$

$1.9812g$

$1.8239$

$1.2498$

$3.2498$

$2.2498$

$1.4259$

No sooner had the thief seen the police than he ran away

No sooner the thief saw the police than he ran away

No sooner has the thief seen the police than he ran away

No sooner the thief has seen the police than he ran away

None of the above

to

for

with

by

none

The beggar cried out with sorrow that he was undone

The beggar was very sorry to say that he was undone

The beggar expresed than he was undone

The beggar said that he was undone

None of the above

Dove

Duck

Bee

Doe

Roe

Appendixes

Appendum

Appendices

Appendises

Appendice

forth

forward

up

into

with

In spite of her having a desire for costly dish, the lady concealed it

In spite of having a desire for costly dish, the lady concealed it

In spite of his having a desire for costly dish, the lady concealed it

In spite of her having a strong desire for costly dish, the lady concealed it

None of the above

I wish, I were a child again.

I wish, I was a child again

I wish, I shall be a child again

I wish, I will be a child again

None of the above

A man was run over by a train

A man was cut down by a train

The train cut downa man

A man was smashed by a train

A man was cut by a train

আমিই কাজটি করেছি

আমিই কাজটি করেছিলাম

আমি কাজটি অবশ্যই করিয়ে নিব

কাজটি করবই

আমি নিশ্চয়ই কাজটি করেছি

This is a task to which he is unequal

This is the task for which he is unequal

This is a task in which he is unequal

He is unequal in this task

This is a task on which he is unequal

how to practice hard

how to be a good player

how to practice

how to play effectively

how to play in efficiently

(about, with)

(about, to)

(about, on)

(about, on)

None of the above

Enrichment of reading, writing and Arithmatic

Enrichment to head, hand and mind in a harmonious way

Enrichment of knowledge and mental power

Enrichment of hand and intellectuality

Enrichment of moral values for his profession

Failurity

Unsuccessfully

Adversity

Ineffectivity

Uncertainty

How

Have

If

Oh

Were

Common

Abstract

Material

Collective

proper

He could not come because of his illness

As he was ill, he could not come

He could not come because he was ill

Illnesswas the reason for which he could not come

None of the above

Shorten

Short

Shorter

Shortness

None of the above

I shall have finished the work before you come

I shall finish the work before you come

I shall finish the work before you will come

I shall finish the work before you come

I shall finish the work before you coming

None of the above

He is better than myself

He is better than I am

He is better than me

He is better than I

He is an educated person who enriched his head, hand and mind

He is an educated person who enriched his head, hand and heart in a harmonious way.

He is an educated person who acquires knowledge form a religious environment

He is an educated person who gathers knowledge qualified teacher

He is an educated person who studies attentively

I know that you had been called a fool by her

It is known to me that she called you a fool

It is known to me that she had called you a fool

I know that you were called a fool by her

It is known to me that you were called a fool by her

criticize (নিচে চেষ্টা করুন সঠিক উত্তরটি জানা নাই)

have to

can

know

worried about

Three H's and Three R's

Objectives of Education

Educational Qualities

Qualities of an Educated Man

An educated Man