16 . (x × x2 × x3 × x4 × x5) ÷ x8 = ?
  • A. x6
  • B. x7
  • C. x3
  • D. x9
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17 . (xl - m)l + m × (xm - n)m + n × (xn - l)n + l
  • B. 1
  • C. 4
  • D. 2
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18 . (√3.√5)4 =?
  • A. 15
  • B. 225
  • C. 60
  • D. 30
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19 . (a+b)(a2−ab+b2) =?
  • A. a 3 − b 3
  • B. a 3 + b 3
  • C. a 6 − b 6
  • D. a 6 + b 6
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20 . (x+1)+(x+2)+(x+3)=?
  • A. x+6
  • B. x 3
  • C. 2x+6
  • D. 3x+6
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বিমান_বাংলাদেশ এয়ারলাইনস | গ্রাউন্ড সার্ভিস অ্যাসিস্ট্যান্ট | 23-04-2022
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21 . (xa/xb)a + b × (xb/xc)b + c + 2(xa.xc)a - c
  • B. 1/2
  • C. 1/4
  • D. 2
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22 . (√7 + √7)2 =
  • A. 98
  • B. 49
  • C. 28
  • D. 21
  • E. 14
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23 . 0.1×0.2×0.3×0.4=?
  • A. 0.24
  • B. .0024
  • C. .3
  • D. .3
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24 . .03 times 0.5 is ----
  • A. 15%
  • B. 0.15%
  • C. 1.5%
  • D. 0.015%
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25 . 13x+5>14+3x+xy+y

  • A. 54
  • B. 15
  • C. 74
  • D. 85
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26 . 3.002/2.002 =?
  • A. 1.05
  • B. 1.5015
  • C. 1.501
  • D. 1.5015
  • E. 1.5
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27 . 30 pens and 75 pencils altogether were purchased for Tk. 510 . If the average price of a pencil was Tk. 2 , what was the average price of a pen ?
  • A. Tk. 9
  • B. Tk. 10
  • C. Tk. 11
  • D. Tk. 12
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Officer (General) -Ansar VDP Unnayan | BD House Building Finance Corporation 28.09.2018
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28 . 35% of Tahia's income is equal to 25% of Nona's income . The ratio of Tahia's income to Noria's income is :
  • A. 7:5
  • B. 4:3
  • C. 4:7
  • D. 5:7
  • E. 3:4
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Bangladesh Bank - Assistant Director - 2013 ||
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29 . 4, 26, 16 what is the median of the numbers shown?
  • A. 10
  • B. 13
  • C. 14
  • D. 15
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সমন্বিত ৯ ব্যাংক | 07-01-2022 ||
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30 . 5 years ago the ration of father's age to son's age was 5:1 and 2 years later father's age will be 3 times his sons's age. What is ration of their present age?
  • A. 5:6
  • B. 7:3
  • C. 10:3
  • D. 11:7
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জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা-(NSI) Assistant Director- Research officer &amp- Assistant Programmer-০৮/১০/২০২১
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