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Math Mocktest (Pre-finals) BSIT 205
49問 • 1年前
  • Xai Alexandrei Delos Reyes
  • 通報

    問題一覧

  • 1

    It is a branch of mathematics concerned with integers and their properties.

    Number Theory

  • 2

    It means dividing a number evenly.

    Divisibility

  • 3

    "d | n" means?

    d divides n if there is no remainder on the division

  • 4

    "d ∤ n" means?

    d does not divide n

  • 5

    These are positive integers p (greater than 1) that cannot be divided by any number except themselves and 1.

    Prime numbers

  • 6

    These are positive integers that can be divided by at least one (1) other number (a factor) other than itself.

    Composite Numbers

  • 7

    It is the largest non-zero integer d that is a common divisor of all the given integers if d | a and d | b and it is denoted by gcd (a, b).

    Greatest Common Divisor

  • 8

    It is the smallest integer that is a common multiple (denominator) of all the given integers and it is denoted by lcm (a, b).

    Least Common Multiple

  • 9

    Which number system is the most commonly used in computers?

    Binary System

  • 10

    How many digits are used in the binary number system?

    two

  • 11

    Which number system uses the digits 0 through 9 to represent numbers?

    Decimal Number System

  • 12

    Which number system uses the digits 8, digits: {0, 1, 2, 3, 4, 5, 6, 7}

    Octal System

  • 13

    Which number system uses the digits: {0, 1}.

    Binary system

  • 14

    Which number system uses the digits {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F}

    Hexadecimal System

  • 15

    What place is the number "4"in 3854

    Ones

  • 16

    What place is the number "7"in 5572

    Tens

  • 17

    What place is the number "6"in 3654

    Hundreds

  • 18

    What place is the number "3"in 3644

    Thousands

  • 19

    What place is the number "7"in 17.5423

    Ones

  • 20

    What place is the number "3"in 34.6658

    Tens

  • 21

    What place is the number "8"in 65.856

    Tenths

  • 22

    What place is the number "9"in 41.892

    Hundredths

  • 23

    What place is the number "3"in 81.813

    Thousandths

  • 24

    2 divides n if the last digit of the number is

    even (e. g. 0, 2, 4, 6 or 8)

  • 25

    3 divides n if...?

    if the sum of the digits is divisible by 3

  • 26

    4 divides n if...

    if the last two digits is divisible by 4

  • 27

    5 divides n if...?

    if the last digit is either 0 or 5

  • 28

    6 divides n if...?

    it is divisible by 2 and it is divisible by 3.

  • 29

    7 divides n if...?

    take the last digit, double it, and subtract it from the rest of the number. you get an answer divisible by 7.

  • 30

    8 divides n if...?

    if the number formed by the last three digits is divisible by 8.

  • 31

    9 divides n if...?

    if the sum of the digits is divisible by 9.

  • 32

    10 divides n if...?

    if the last digit is 0

  • 33

    11 divides n if...?

    divides n if the difference between the sum of one set of alternate digits (from left to right) and the sum of the other set of alternate digits (from left to right) is 0 or divisible by 11

  • 34

    12 divides n if...?

    if the number is divisible by both 3 and 4

  • 35

    Is 46 Divisible by 2?

    True

  • 36

    Is 57 Divisible by 2?

    False

  • 37

    Is 92 Divisible by 2?

    True

  • 38

    Is 145 Divisible by 5?

    True

  • 39

    Is 236 Divisible by 5?

    False

  • 40

    Is 770 Divisible by 5?

    True

  • 41

    Is 136 Divisible by 6?

    False

  • 42

    Is 96 Divisible by 6?

    True

  • 43

    Is 244 Divisible by 6?

    False

  • 44

    Is 284 Divisible by 9?

    False

  • 45

    Is 153 Divisible by 9?

    True

  • 46

    Is 729 Divisible by 9?

    True

  • 47

    Is 150 Divisible by 10?

    True

  • 48

    Is 810 Divisible by 10?

    True

  • 49

    Is 233 Divisible by 10?

    False

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    問題一覧

  • 1

    It is a branch of mathematics concerned with integers and their properties.

    Number Theory

  • 2

    It means dividing a number evenly.

    Divisibility

  • 3

    "d | n" means?

    d divides n if there is no remainder on the division

  • 4

    "d ∤ n" means?

    d does not divide n

  • 5

    These are positive integers p (greater than 1) that cannot be divided by any number except themselves and 1.

    Prime numbers

  • 6

    These are positive integers that can be divided by at least one (1) other number (a factor) other than itself.

    Composite Numbers

  • 7

    It is the largest non-zero integer d that is a common divisor of all the given integers if d | a and d | b and it is denoted by gcd (a, b).

    Greatest Common Divisor

  • 8

    It is the smallest integer that is a common multiple (denominator) of all the given integers and it is denoted by lcm (a, b).

    Least Common Multiple

  • 9

    Which number system is the most commonly used in computers?

    Binary System

  • 10

    How many digits are used in the binary number system?

    two

  • 11

    Which number system uses the digits 0 through 9 to represent numbers?

    Decimal Number System

  • 12

    Which number system uses the digits 8, digits: {0, 1, 2, 3, 4, 5, 6, 7}

    Octal System

  • 13

    Which number system uses the digits: {0, 1}.

    Binary system

  • 14

    Which number system uses the digits {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F}

    Hexadecimal System

  • 15

    What place is the number "4"in 3854

    Ones

  • 16

    What place is the number "7"in 5572

    Tens

  • 17

    What place is the number "6"in 3654

    Hundreds

  • 18

    What place is the number "3"in 3644

    Thousands

  • 19

    What place is the number "7"in 17.5423

    Ones

  • 20

    What place is the number "3"in 34.6658

    Tens

  • 21

    What place is the number "8"in 65.856

    Tenths

  • 22

    What place is the number "9"in 41.892

    Hundredths

  • 23

    What place is the number "3"in 81.813

    Thousandths

  • 24

    2 divides n if the last digit of the number is

    even (e. g. 0, 2, 4, 6 or 8)

  • 25

    3 divides n if...?

    if the sum of the digits is divisible by 3

  • 26

    4 divides n if...

    if the last two digits is divisible by 4

  • 27

    5 divides n if...?

    if the last digit is either 0 or 5

  • 28

    6 divides n if...?

    it is divisible by 2 and it is divisible by 3.

  • 29

    7 divides n if...?

    take the last digit, double it, and subtract it from the rest of the number. you get an answer divisible by 7.

  • 30

    8 divides n if...?

    if the number formed by the last three digits is divisible by 8.

  • 31

    9 divides n if...?

    if the sum of the digits is divisible by 9.

  • 32

    10 divides n if...?

    if the last digit is 0

  • 33

    11 divides n if...?

    divides n if the difference between the sum of one set of alternate digits (from left to right) and the sum of the other set of alternate digits (from left to right) is 0 or divisible by 11

  • 34

    12 divides n if...?

    if the number is divisible by both 3 and 4

  • 35

    Is 46 Divisible by 2?

    True

  • 36

    Is 57 Divisible by 2?

    False

  • 37

    Is 92 Divisible by 2?

    True

  • 38

    Is 145 Divisible by 5?

    True

  • 39

    Is 236 Divisible by 5?

    False

  • 40

    Is 770 Divisible by 5?

    True

  • 41

    Is 136 Divisible by 6?

    False

  • 42

    Is 96 Divisible by 6?

    True

  • 43

    Is 244 Divisible by 6?

    False

  • 44

    Is 284 Divisible by 9?

    False

  • 45

    Is 153 Divisible by 9?

    True

  • 46

    Is 729 Divisible by 9?

    True

  • 47

    Is 150 Divisible by 10?

    True

  • 48

    Is 810 Divisible by 10?

    True

  • 49

    Is 233 Divisible by 10?

    False