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Number bases & conversions (binary/hex/decimal)

Math · Pre-algebra

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About this practice set

Number bases & conversions (binary/hex/decimal) is part of Math (Pre-algebra). Questions are generated with new numbers each time you practise. Levels available: Easy, Medium, Hard. After you answer, an explanation is shown.

Example questions

A taste of what you will practise. Answers are revealed after you try.

  • Easy

    What is 11110 (binary) in decimal?

  • Medium

    What is 18 (hexadecimal) in decimal?

  • Hard

    What is 52 in hexadecimal?

    • 34
    • 10
    • 12
    • 22