1 . If x=12, which one has the least value ---
- A. x-2
- B. x/2
- C. 2/x
- D. 2-x
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2 . If one of the roots of the quadratic equation x^2+mx+24= 0 is x=1.5, then what is the value of m ?
- A. -22.5
- B. -17.5
- C. -10.5
- D. 16
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3 . x2+y2+z2=2, xy+yz+zx=1
- A. 12
- B. 19
- C. 16
- D. 14
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4 . 5x+8×5x+16×5x=1
- A.
- B.
- C.
- D.
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5 . logax=1,logay=2,logaz=3,logax3y2z=?
- A. 1
- B. 4
- C. 2
- D. 5
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6 . ax2+b
- A.
- B.
- C.
- D.
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7 . x=15, y=5 হলে x3-3x2y+3xy2-y3=?
- A. 800
- B. 1200
- C. 1400
- D. 1000
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8 . 32x=1
- A.
- B.
- C.
- D.
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9 . x-1x=1
- A. 6
- B. 4
- C. 8
- D. 2
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10 . ax=1
- A.
- B.
- C. অনির্ণেয়
- D.
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11 . a=8,b=6,x=12
- A. 12
- B. 9
- C. 7
- D. 6
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12 . 9x-5x=1/3 i=হলে x এর মান কত?
- A. 1/12
- B.
- C.
- D.
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13 . If x=10, which of the following has the minimum value ?
- A. 2-x
- B. x/2
- C. 2/x
- D. (2-x) (2-x)
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14 . a=27,b=13,x=18,
- A.
- B.
- C.
- D.
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15 . If one of the roots of the quadratic equation x^2+mx+24= 0 is x=1.5, then what is the value of m ?
- A. -22.5
- B. -17.5
- C. -10.5
- D. 16
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16 . ax2+b
- A. 5
- B. 10
- C. 15
- D. 20
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17 . 5x+8.5x+16.5x=1
- A. -1
- B. 3
- C. -2
- D.
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18 . logx=144=4
- A.
- B. 3
- C. 4
- D. 12
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19 . ax=1
- A. 1
- B. 0
- C. অনির্ণেয়
- D. 2
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20 . 3x=16
- A. 3.56
- B. 2.59
- C. 2.52
- D. 3.52
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21 . y=x^2, x=1, x=3 এবং এক্স অক্ষ দ্বারা সীমাবদ্ধ ক্ষেত্রের ক্ষেত্রফল-
- A. 26/3 sq units
- B. 80/3 sq units
- C. 8/3 sq units
- D. 35/3 sq units
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22 . 0≤x≤π2
- A.
- B.
- C.
- D.
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23 . 7-2x=1
- A. 4
- B. 3
- C. 5
- D. 2
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24 . fx=x2+kx
- A. 1
- B. 2
- C. -1
- D. -2
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25 . একটি গতিশিল বস্তুর দূরত্ব x এর সাথে সময় t-এর সম্পর্ক হচ্ছে x=1.4t²+0.15t.t² । 5.0 সময়ে বস্তুটির তাৎক্ষনিক দ্রুতি কত?
- A. 53.8 m/s
- B. 25.3 m/s
- C. 10.8 m/s
- D. 6.5 m/s
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26 . x+1x=13
- A.
- B.
- C.
- D.
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27 . x-1/x=1
- A. 4.0
- B. 1.0
- C. 2.0
- D. 3.0
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28 . 5x+8.5x+16.5x=1
- A. -1
- B. 3
- C. -2
- D. 4
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29 . 2x=116
- A. -1
- B. -2
- C. -3
- D. -4
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30 . x-1x=1
- A. 1
- B. 3
- C. 4
- D. 9
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31 . 35x=12527?
- A.
- B.
- C.
- D.
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32 . ifx=1014,y=100.7
- A.
- B.
- C.
- D.
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33 . x − 1x=1
- A. 2
- B. 3
- C. 6
- D. 4
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34 . x=1+2
- A. 12
- B. 6
- C. 8
- D. 10
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35 . x=1-1x
- A. 1
- B. -1
- C. ± 1
- D. 2
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36 . x1x=1
- A. 1
- B. 2
- C. 3
- D. 4
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37 . 100x=10
- A.
- B.
- C.
- D. 1
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38 . x=1+3
- A.
- B.
- C.
- D.
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39 . 32x=1
- A. 0
- B. 2/3
- C. 1
- D. 3/2
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40 . 8132x=1
- A. -3
- B. 3
- C. 4
- D. -4
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41 . 12552x=1
- A. 3
- B. -3
- C. 7
- D. 9
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42 . x-1/x=1
- A. 4.0
- B. 1.0
- C. 2.0
- D. 3.0
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43 . log ax=1,
- A.
- B.
- C.
- D.
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44 . 1x=1-x
- A.
- B.
- C.
- D.
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45 . x=1
- A. 1/4
- B. 3/4
- C. 1
- D. 0
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