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G5 Number System

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1) Study the following numbers:

MCCX, MCDL, MMXV, MCCLXV, MDX, MCMIV

Find the difference between the digits at the hundreds place of the smallest and the greatest number.

A) 6

B) 8

C) 6

D) 7

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2) Study the following numbers:

MCXLV, MDCCX, MCMXC, MCCXXXIV, MDCXX, MCDXII

Find the sum of the digits at the tens place of the smallest and the greatest number.

A) 14

B) 12

C) 13

D) 11

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3) A number is rounded to the nearest 100 and becomes 500.
What is the smallest possible number among the given options?

A) 449

B) 450

C) 501

D) 479

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4) In a sequence of numbers, each number is obtained by doubling the previous number and adding 1.
If the first number is 5, what is the third number in the sequence?

A) 19

B) 23

C) 17

D) 14

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5) Consider the following numbers:
MMXVI, MCDXIV, MCMXV, MCCL, MCDXVIII, MDLXV

Find the difference between the digits at ones place of the greatest and the smallest number.

A) 5

B) 7

C) 4

D) 6

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6) What is the sum of all even numbers between 10 and 20?

A) 80

B) 90

C) 70

D) 60

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7) What is the place value of 7 in the number 472,319?

A) 700

B) 700,000

C) 70,000

D) 7,000

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8) A number leaves a remainder of 4 when divided by 5 and a remainder of 4 when divided by 7.
What is the smallest 3-digit number that satisfies these conditions?

A) 179

B) 144

C) 109

D) 214

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9) How many hundreds must be subtracted from 64125 to get 4125?

A) 60,000

B) 6,000

C) 60

D) 600

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10) In a division problem, the number that is being divided is called.

A) divisor

B) difference

C) dividend

D) remainder

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11) A 3-digit number is divisible by 7.
The sum of its digits is 15, and the number is 4 less than a multiple of 11.
What is the number?

A) 267

B) 429

C) 546

D) 348

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12) Adding 1 to a number results in the number that is also known as

A) successor

B) predecessor

C) same number

D) addend

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13) What is the largest 2-digit number that is a multiple of 8 and has a units digit of 2?

A) 92

B) 82

C) 98

D) 72

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14) What is the place value of 6 in 6,032?

A) 60

B) 6

C) 600

D) 6000

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15) A 2-digit number is such that the sum of its digits is 5.
The number is divisible by 7, and the units digit is three more than the tens digit.
What is the number?

A) 41

B) 32

C) 14

D) 23

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16) A 2-digit number is such that the product of its digits is 15.
The number is 3 more than a multiple of 5, and the sum of the digits is 8.
What is the number?

A) 82

B) 44

C) 53

D) 28

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17) The units digit of a 3-digit number is twice the tens digit, and the tens digit is twice the hundreds digit.
What is the smallest such number?

A) 124

B) 248

C) 369

D) 482

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18) How many hundreds must be subtracted from 35219 to get 5219?

A) 30,000

B) 3000

C) 30

D) 300

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19) What is the units digit of 9^4?

A) 3

B) 7

C) 1

D) 9

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20) Study the following numbers:

MCXV, MCDXII, MMCD, MCCLXX, MDCCC, MCMX

Find the sum of the digits at the hundreds place of the smallest and the greatest number.

A) 6

B) 5

C) 11

D) 9

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