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1. নিচের কোন Octal সংখ্যাটি Decimal সংখ্যা ৫৫ এর সমতুল্য

  • A. ৫৫
  • B. ৫৫
  • C. ৫৫
  • D. ৫৫

Answer: Option C

Explanation:

Divide the number repeatedly by 9 until the quotient becomes 0

8।  55       7
8।  6         6
 0
When 55 is divided by 8 , the quitient is 6 and the remiander is 7

When 6 is divided by 8, th quitient is 0 and the remiander is 6.

Write the remainders from bottom to top

(55)10  = (67)8


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