151 . what is the avareage of series 1,5,9,---,81 ?
- A. 39
- B. 40
- C. 41
- D. 42
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BCSIC নিয়োগ পরীক্ষা - ২০১৮ পদ: এক্সটেনশন অফিসার তারিখ: ০৯-১১-২০১৮
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152 . What are the next numbers in the series? 2,9,6,7,18,5----,----.
- A. 3, 54
- B. 54, 9
- C. 27, 3
- D. 54, 3
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153 . The sum of the series
- A. 1080
- B. 1240
- C. 1460
- D. 1620
- E. 1800
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154 . The element in the position marked by __ in the series B, D, F, ......, 11,_____ is
- A. M
- B. V
- C. 13
- D. 15
- E. VI
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155 . Look at the series: 31,29,24,22,17_______.What number should come next?
- A. 12
- B. 13
- C. 14
- D. 15
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156 . loga + loga2 + loga3+ ..... ধারাটির প্রথম 7টি পদের সমষ্টি কত?
- A. 28 loga
- B. 56 loga
- C. 7 loga
- D. 8 loga
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পররাষ্ট্র মন্ত্রণালয়ের সহকারী সাইফার কর্মকর্তা - 13.01.2017
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157 . log 2 + log 4 + log 8 + log 16 + ...... ধারাটির প্রথম ১০টি পদের সমষ্টি কত?
- A. 44 log 4
- B. 10 log 64
- C. 55 log 2
- D. log 512
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জনস্বাস্থ্য প্রকৌশল অধিদপ্তরের উপ-সহকারী প্রকৌশলী(সিভিল)-২৪.০৪.২০১৫
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158 . log 11 + log 121 + log 1331 + ............... ধারাটির প্রথম দশটি পদের সমষ্টি কত?
- A. 45 log 11
- B. 55 log 11
- C. 36 log 11
- D. 66 log 11
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159 . If 15 is the fifth number in a series of 5 consecutive odd numbers, what is the third number in the series?
- A. 7
- B. 12
- C. 14
- D. 5
- E. None of these
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160 . Identify the wrong number in the series: 69, 55, 26, 13, 5
- A. 55
- B. 5
- C. 13
- D. 26
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161 . Find the sum of first 50 terms in the series: (5+3-7)+(5+3-7)
- A. 1
- B. 8
- C. 24
- D. 40
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162 . Find the number which does not match with the series. 1, 5, 11, 19, 29, 55
- A. 29
- B. 55
- C. 44
- D. 5
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163 . Find the number that should be placed in the gap of the series : 80, 96, -, 128
- A. 88
- B. 120
- C. 112
- D. 64
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164 . Find the next number of the series 7, 10, 14, 16, 21, 22, -
- A. 20
- B. 22
- C. 26
- D. 28
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165 . Find the missing term in each of the following series : 10000, 11000, 9900, 10890, 9801, ?
- A. 10929
- B. 10781
- C. 10423
- D. 10241
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