2266 . a - b = 7, ab = 60 হলে, কত?
- A. 180
- B. 168
- C. 169
- D. 170
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2267 . হলে x এর মান কত?
- A.
- B.
- C.
- D. 4
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2268 . 5% loss is incurred when Rahim sells a watch for Tk. 1140. At what price should the watch be sold to earn 5% profit?
- A. Tk. 1260
- B. Tk. 1200
- C. Tk. 1300
- D. Tk. 1450
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2270 . The sum of 7th terms of the series is
- A. 8 log a
- B. 28 log a
- C. 38 log a
- D. 48 log a
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2271 . then the value of is -
- A. ± 7
- B. ± 4
- C. ± 9
- D. ± 5
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2272 . = কত?
- A. 3
- B. 4
- C. 6
- D. 16
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2273 . ২০টি কমলার ২০% পচা হলে ভাল কমলার সংখ্যা-
- A. ১০টি
- B. ১৫টি
- C. ১৬টি
- D. ৫টি
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2274 . সবচেয়ে বড় সংখ্যা কোনটি?
- A. ০.০০৯
- B. ০.০০০২
- C. ০.০০০৮
- D. ০.০০৪
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- A. 77
- B. 67
- C. 87
- D. 95
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2279 . In a right angled triangle, the length of perpendicular and base are 1.8 cm and 2.5 cm respectively, then find its hypotenuse.
- A. 3.32cm.
- B. 3.52cm.
- C. 3.62cm.
- D. 3.72cm.
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2280 . x-y=8, xy=5 হলে = কত?
- A. 1304
- B. 1034
- C. 1044
- D. 1372
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