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1. What is the H.C.F of the numbers 36,54 and 90?

  • A. 6
  • B. 6
  • C. 6
  • D. 6

Answer: Option D

Explanation:

H. C. F মানে গ. সা. গু
36 = 2  ×  2  ×  3  ×  3
54 = 2  ×  3  ×  3  ×  3
90 = 2  ×  3  ×  3  ×  5
গ. সা. গু =  2  ×  3  ×  3 = 18

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