খুলনা প্রকৌশল ও প্রযুক্তি বিশ্ববিদ্যালয় (কুয়েট)

  $1.14\times {10}^{-4}m/s$

  $0.91m{s}^{-1}$

  9.4 m/s

  94 m/s

  800 m/s

  433 s সময় বৃদ্ধি পাবে

  433 s সময় হারাবে

  216 s সময় বৃদ্ধি পাবে

  216 s সময় হারাবে

  সময় অপরিবর্তিত থাকবে

  498 Hz

  628 Hz

  448 Hz

  425 Hz

  480 Hz

  $-215°C$

  $-137°C$

  $-58°C$

  $58°C$

  $137°C$

  1687 J

  25.79KJ

  29.05KJ

  $2.9\times {10}^{6}J$

  $2.55\times {10}^{5}J$

  4.37 cm

  0.21 m

  0.068 m

  5.17 cm

  7.2 cm

  $5.31\times {10}^{14}Hz$

  $4.59\times {10}^{14}Hz$

  $2.46\times {10}^{15}Hz$

  $6.54\times {10}^{14}Hz$

  $14.48\times {10}^{18}Hz$

  $4.28\times {10}^{-4}y$

  8.99y

  23.7 y

  246.21 y

  4120y

  22 kg

  27.2 kg

  26.8 kg

  27 kg

  $28.4\times {10}^{3}gm$

  $-186.2m{s}^{-2}$

  $-9.8m{s}^{-2}$

  $0.081m{s}^{-2}$

  $8.05m{s}^{-2}$

  $9.8m{s}^{-2}$

  $4.6\times {10}^{18}kg.m^{-3}$

  $4.66\times {10}^{18}kg/m^3$

  $5.1\times {10}^{18}g.c{m}^{-3}$

  $3.38\times {10}^{18}kg.m^{-3}$

  $4.2\times {10}^{21}g/c{m}^3$

  19

  18

  16

  13

  15

  $5.92m^2$

  $2.76m^2$

  $10.39m^2$

  $2.96m^2$

  $2.56m^2$

  3.43 m/s

  2.82 m

  6.39 m /s

  4 cm /s

  6.07 m/s

  3.35 hp

  3.07 hp

  3.65 hp

  4.38 hp

  6.25 hp

  ${10}^{-3}J$

  $6.84\times {10}^{-3}$

  $68.39\times {10}^{-3}J$

  0.684 J

  6.84 J

  72.4 m

  289.6 m

  580 m

  651.4 m

  950 m

  1.28 mm

  0.52 mm

  0.06cm

  0.84 cm

  0.72 mm

  50%

  40%

  30%

  20%

  10%

  2700 N-m

  1800 N -m

  900 N-m

  450N -m

  400 N -m

  6000 VA

  5.5 kVA

  6.05KVA

  10 kVA

  12.5VA

  1.5

  1.53

  1.48

  1.62

  1.52

  15.83 cm

  9.73 cm

  9.73 cm

  0.15 cm

  0.12 m

  $0.17°$

  ${11}^{/}{16}^{//}$

  $0.15°$

  ${13}^{/}{20}^{//}$

  $9^{/}{17}^{//}$

  $1.395\times {10}^{15}$

  $1.395\times {10}^{16}$

  $1.395\times {10}^{17}$

  $1.395\times {10}^{18}$

  $1.395\times {10}^{19}$

  0.0325 , 0.9675

  0.9675,0.0325

  0.0476,0.9524

  0.9534,0.0476

  0.0556, 09444

  $2C{O}_2+O_2+4e\to 2CO\frac{2^{-}}{3}$

  $O_2+4H^{+}+4e\to 2H_{2}O$

  $2H_2\to 4H^{+}+2e$

  $\frac{1}{2}{O}_2+H_{2}O+2e\to 2O{H}^{-}$

  ${}^{H_2+2O{H}^{-}\to 2H_{2}O+2e}$

  i, ii

  i, iii

  i, iv

  ii, iv

  i, ii, iv

  $E_1>E_2>E_3$

  $E_3>E_2>E_1$

  $E_2>E_3>E_1$

  $E_3>E_1>E_2$

  ${E}_2>E_1>E_3$

  কার্বোক্যাটায়ন

  কার্বাঅ্যানায়ন

  ফ্রি-র‌্যাডিক্যাল

  ইলেক্ট্রােফাইল

  লুইস-এসিড

  $C{H}_{3}CHO$

  $C{H}_{3}C{H}_{2}C{H}_{2}OH$

  $C{H}_{3}COOH$

  $C{H}_{3}C{H}_{2}C{H}_{2}OH$

  $C{H}_{3}C{H}_{2}COOH$

  45.0 g

  31.5g

  63.0g

  126.5g

  15.8 g

  $2.2\times {10}^{-3}$

  $1.0\times {10}^{-3}$

  $1.1\times {10}^{-3}$

  $2.4\times {10}^{-4}$

  $4.4\times {10}^{-3}$

  $K^{+}|K<M{g}^{2+}|Mg<C{r}^{3+}|Cr<H{g}^{2+}|Hg<A{g}^{+}|Ag$

  $A{g}^{+}|Ag<H{g}^{2+}|Hg<C{r}^{3+}|Cr<K^{+}|K<M{g}^{2+}|Mg$

  $Ag<Hg<Cr<Hg<Ag$

  $K<Mg<Cr<Hg<Ag$

  ${K}^{+}|K<A{g}^{+}|Ag<M{g}^{2+}|Mg<H{g}^{2+}|Hg<C{r}^{3+}|Cr$

  IV>V>III>I>II

  IV>III>V>I>II

  II>I>III>V>IV

  II>I>V>III>IV

  IV>I>II>V>III

  2

  3

  4

  5

  6

  $(C{H}_3{)}_{2}C{O}_3$

  $N{a}_{2}C{O}_3$

  $SrC{O}_3$

  $MgC{O}_3$

  $CaC{O}_3$

  বীকার

  কনিক্যাল ফ্লাঙ্ক

  চ্যাপ্টতলী ফ্লাঙ্ক

  গোলতলী ফ্লাঙ্ক

  পোরসেলিন ক্রুসিবল

  i, ii

  i,iii,iv

  ii,iii

  i,ii,iii

  i,ii,iv

  12

  10

  8

  6

  4

  15.6 ppm

  17.6 ppm

  19.6ppm

  21.6ppm

  23.6ppm

  $C_2{H}_4$

  $C_2{H}_6$

  $C_6{H}_6$

  $C_3{H}_8$

  $C_2{H}_2$

  $\frac{M}{10}MgS{O}_4$ দ্রবণ

  $\frac{{\displaystyle M}}{{\displaystyle 10}}NaCl$ দ্রবণ

  $\frac{{\displaystyle M}}{{\displaystyle 10}}FeC{l}_3$ দ্রবণ

  $\frac{{\displaystyle M}}{{\displaystyle 10}}N{a}_{2}C{O}_3$ দ্রবণে

  $\frac{{\displaystyle M}}{{\displaystyle 10}}N{H}_{4}Cl$ দ্রবণে

  25 g

  16 g

  12 g

  30 g

  20 g

  IV>V>III>I>II

  IV>III>V>I>II

  II>I>III>V>IV

  II>I>V>III>IV

  IV>I>II>V>III

  2

  3

  4

  5

  6

  $6\sigma +13\pi$

  $6\sigma +6\pi$

  $6\sigma +3\pi$

  $12\sigma +3\pi$

  $12\sigma +6\pi$

  0.03125

  0.25

  $3.9\times {10}^{-3}$

  0.375

  4

  $1:1.0\times {10}^3$

  2: 1

  $1.0\times {10}^3:1$

  $1:1.0\times {10}^2$

  $1.0\times {10}^2:1$

  4

  5

  6

  10

  0

  If I had the wings of a bird .

  I wish to have the wings of a birs

  I pray, I had the wings of a bird.

  I had the wings of a bird

  I wish , I had sthe wings of a bird

  A red rose was seen by Jesmin going into the garden .

  Jesmin saw a red rose going into the garden

  Jesmin went to the garden to see a read rose.

  Going to the garden Jesmin saw a red rose .

  While Jesmine went to the garden saw a red rose.

  Have heard

  was hearing

  hear

  have been heard

  heard

  Lyric

  Ode

  Ballad

  Ballade

  Hymn

  otherwise

  or

  lest

  unless

  avoiding

  ${\cos }^{-1}\left(\frac{8\sqrt{23}}{63}\right)$

  ${\cos }^{-1}\left(\frac{8\sqrt{21}}{63}\right)$

  ${\cos }^{-1}\left(\frac{5\sqrt{23}}{63}\right)$

  ${\sin }^{-1}\left(\frac{8\sqrt{23}}{63}\right)$

  ${\cos }^{-1}\left(\frac{2\sqrt{21}}{63}\right)$

  $y=\frac{z}{3}x,y=\frac{1}{8}x$

  $y=\frac{1}{3}x,y=\frac{2}{5}x$

  $y=\frac{3}{2}x,y=\frac{7}{4}x$

  $y=\frac{7}{4}x,y=\frac{1}{8}x$

  $y=\frac{1}{3}x,y=\frac{3}{3}x$

  x+y =6

  2x + y =12

  x +2y = 5

  2x - 3y =13

  3x + 4y =7

  -1

  2

  -3

  4

  3

  $\frac{x^2}{16}+\frac{y^2}{32}=1$

  $\frac{x^2}{36}+\frac{y^2}{16}=1$

  $\frac{x^2}{4}+\frac{y^2}{16}=1$

  $\frac{x^2}{32}+\frac{y^2}{64}=1$

  $\frac{x^2}{64}+\frac{y^2}{32}=1$

  cos X - cosy

  sin x - sin y

  tanx - tany

  $\frac{\sin x-\sin y}{\cos x+\cos y}$

  $\frac{secx.secy}{\tan x-\tan y}$

  $e^5$

  $e^7$

  $e^{10}$

  $e^3$

  $e^3$

  5 N

  15 N

  10 N

  20 N

  25 N

  $\frac{5}{3}m/se{c}^2,\frac{250}{3}m$

  $\frac{3}{5}m/se{c}^2,\frac{250}{7}m$

  $\frac{5}{3}m/se{c}^2,\frac{150}{7}m$

  $\frac{5}{7}m/se{c}^2,\frac{225}{7}m$