10486 . x4=0.1 হলে, x=? ..
- A. 0.1
- B. 0.01
- C. 0.001
- D. 0.0001
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10487 . যদি a+b+c=5 ,a2+b2+c2=9 হয়, তবে ab+bc+ca = কত? ..
- A. 16
- B. 8
- C. 34
- D. 12
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10488 . a2-c2-2ab+b2 এর সঠিক উৎপাদক পরিধি কত? ..
- A. (a+b+c)(a-b+c)
- B. (a-b-c)(a-b+c)
- C. (a-b-c)(a+b-c)
- D. (a+b+c)(a-b-c)
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10489 . (17)0x= কত ? ..
- A. 17x
- B. 17
- C. x
- D. 1
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10490 . (3)x+1=(33)2x-1 হলে, x = কত? ..
- A. 3
- B. 4
- C. 5
- D. 6
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10491 . 5n+2+35×5n-14×5n এর মান কত ? ..
- A. 5
- B. 4
- C. 8
- D. 7
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