631 . If and then which one of the following equals the value of
- A. 7
- B. 25
- C. 65
- D. 91
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633 . এর গ.সা.গু কোনটি?
- A. 9abc
- B.
- C.
- D. 3abc
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634 . a+b, এবং এর গ. সা.গু কত?
- A.
- B.
- C.
- D.
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635 . If then find out the value of
- A. 9
- C. 4
- D. 7
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636 . এর গ.সা.গু কত ?
- A. a(a+b)
- B. ab(a+b)
- C. a+b
- D.
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637 . এবং x+2 এর গ.সা.গু নিচের কোনটি?
- B. 1
- C. x-2
- D. x+2
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638 .
- A. x-5
- B. x+5
- C. x(x+5)
- D. x(x-5)
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639 . তিনটি ক্রমিক স্বাভাবিক সংখ্যার গুণফল ১২০ হলে তাদের যোগফল কত?
- A. ১০
- B. ১৫
- C. ২০
- D. ২৪
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640 . If which of the following must be false?
- A. x=1
- B. x=3
- C. x>3
- D. x>0
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641 . If Which of the following must be false?
- A. x=4
- B. x=-4
- C. x>3
- D. x>0
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642 . এর গ.সা.গু কত?
- A.
- B.
- C.
- D.
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643 . =?
- A.
- B.
- C.
- D.
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644 . If x = 1, then
- A. -10
- B. -4
- D. 4
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