Tag: maths

Quizzes (518) Questions (9324)

Questions Related to maths

Multiple choice roman numbers and numbers upto hundred roman numerals knowing our numbers maths

IX + XV + XX = ______

  1. 45

  2. 35

  3. 44

  4. 40
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Roman numerals are represented by the following letters:

I = 1

V = 5

X = 10

L = 50

C = 100

D = 500

M = 1000

If a numeral is followed by another numeral of lower denomination, the two are added together;

if it is preceded by one of lower denomination, the smaller numeral is subtracted from the greater.

 

9 + 15 + 20 = 44

Multiple choice roman numbers and numbers upto hundred roman numerals knowing our numbers maths

The number of matchsticks that can be used to write 39 in roman system are:

  1. 8

  2. 9

  3. 3

  4. 6
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Roman numerals are represented by the following letters:

I = 1

V = 5

X = 10

L = 50

C = 100

D = 500

M = 1000

If a numeral is followed by another numeral of lower denomination, the two are added together;

if it is preceded by one of lower denomination, the smaller numeral is subtracted from the greater. 


XXXIX = 10+10+10+10-1 = 39
$\therefore$ Number of matchsticks required would be 9.
Multiple choice roman numbers and numbers upto hundred roman numerals knowing our numbers maths

Numeral for $CCCXLVII$

  1. $357$
  2. $347$
  3. $367$
  4. $387$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Roman numerals are represented by the following letters:

$I = 1$

$V = 5$

$X = 10$

$L = 50$

$C = 100$

$D = 500$

$M = 1000$

If a numeral is followed by another numeral of lower denomination, the two are added together;

if it is preceded by one of lower denomination, the smaller numeral is subtracted from the greater.

CCCXLVII
$100 + 100 + 100 + 40 + 7 = 347$

Multiple choice roman numbers and numbers upto hundred roman numerals knowing our numbers maths

The time shown when the long hand is at 12 and short hand is at 11 it

  1. XII

  2. X

  3. XI

  4. XXI
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Time shown by the clock is $11$ o'clock.

Converting it to Roman Number by using:

The Roman numerals are represented by the following letters:

$I = 1$

$V = 5$

$X = 10$

$L = 50$

$C = 100$

$D = 500$

$M = 1000$

If a numeral is followed by another numeral of lower denomination, the two are added together;

if it is preceded by one of lower denomination, the smaller numeral is subtracted from the greater.

$\therefore  11 = 10+1=XI$

Multiple choice roman numbers and numbers upto hundred roman numerals knowing our numbers maths

Anita's age is 48 years Express it in Roman system

  1. XXXXVIIII

  2. XLVII

  3. XLVIII

  4. XLV
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Roman numerals are represented 
by the following letters:

I = 1

V = 5

X = 10

L = 50

C = 100

D = 500

M = 1000

If a numeral is followed by another numeral of lower denomination, the two are added together;

if it is preceded by one of lower denomination, the smaller numeral is subtracted from the greater.


XLVIII = 50-10+5+1+1+1 = 48

Multiple choice roman numbers and numbers upto hundred roman numerals knowing our numbers maths

Difference of 1000 and 400 is

  1. D

  2. L

  3. C

  4. DC
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Roman numerals are represented by the following letters:

I = 1

V = 5

X = 10

L = 50

C = 100

D = 500

M = 1000

If a numeral is followed by another numeral of lower denomination, the two are added together;

if it is preceded by one of lower denomination, the smaller numeral is subtracted from the greater.


1000 - 400 = 600 = DC