Lesson 8.02a-d

8.02a-d Number bases and divisibility Quiz: OCR Further Maths, Unit 5

20 questions

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Lesson 8.02a-d, Number bases and divisibility: 20 multiple choice questions for the OCR Further Maths (H245), Unit 5: Additional Pure Mathematics (Y545), written with Revision Ninja.

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The 20 questions

  1. What is the base-10 equivalent of the binary number 1101?

    • 12
    • 11
    • 13
    • 15
  2. Which letter digit represents the decimal value 11 in hexadecimal notation?

    • C
    • A
    • B
    • D
  3. What is the base-10 value of the base-5 number 34?

    • 19
    • 34
    • 17
    • 22
  4. A number in base b is divisible by b - 1 if what divides b - 1?

    • Last digit
    • Digit sum
    • Product of digits
    • Alternating digit sum
  5. What is the sum of the binary numbers 101 and 11 expressed in binary?

    • 100
    • 1110
    • 1000
    • 110
  6. In base 10, a number is divisible by 9 if and only if which sum divides 9?

    • Alternating digit sum
    • First digit sum
    • Digit sum
    • Product of digits
  7. What is 25 in base 10 written as a ternary (base-3) number?

    • 212
    • 102
    • 221
    • 220
  8. In base 10, a number is divisible by 4 if its last two digits form what?

    • Multiple of 2
    • Multiple of 8
    • Sum of 4
    • Multiple of 4
  9. What is the product of 3 and 4 expressed in base 5?

    • 20
    • 22
    • 12
    • 24
  10. What is the smallest positive integer base in which 100 represents the number 16?

    • Base 8
    • Base 2
    • Base 4
    • Base 16
  11. In base b, what is the largest single digit value available?

    • b + 1
    • b - 1
    • 10
    • b
  12. What is the base-8 (octal) representation of the decimal number 63?

    • 77
    • 63
    • 75
    • 100
  13. A number written in base b is divisible by b if its last digit is what?

    • 1
    • Even
    • 0
    • b - 1
  14. What is the hexadecimal representation of the decimal number 255?

    • FF
    • EE
    • FE
    • 100
  15. In base 7, what is the value of the place value position four steps from the right?

    • 343
    • 700
    • 49
    • 243
  16. A number written in base b is divisible by b + 1 if what divides b + 1?

    • Last digit
    • Product of digits
    • Digit sum
    • Alternating digit sum
  17. Express the octal number 45 in base 10.

    • 35
    • 37
    • 41
    • 45
  18. What is the binary representation of the decimal number 18?

    • 10100
    • 10010
    • 10001
    • 11010
  19. In base 6, what is the result of 5 + 5 expressed in base 6?

    • 15
    • 12
    • 14
    • 10
  20. How many distinct digits are needed to represent numbers in base 12?

    • 12
    • 11
    • 10
    • 13

All OCR Further Maths quizzes