Tag: maths

Questions Related to maths

The product obtained when 28 is multiplied by 2 in roman number

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

  1. LIV

  2. LII

  3. LVI

  4. LVII

Show answer
Correct Option: C
Explanation:

When 28 is multiplied by 2 we get the product 56.

LVI is the symbol used for 56.
So option C is the correct answer.

Bobby's date of birth is $\displaystyle 19^{th}$ September Express the date in Roman system

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

  1. XXXI

  2. XIXX

  3. IIX

  4. XIX

Show answer
Correct Option: D
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.

19 = XIX

Raghu is 21 years old and Kavitha is 22 years old Write the sum of their ages in Roman system

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

  1. XXXIII

  2. XLIII

  3. LIII

  4. XLCIII

Show answer
Correct Option: B
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.

 

21 + 22 = 43
43 →→ XLIII

The ascending order of XX, XXXVI, V is ____

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

  1. V, XXXVI, XX

  2. XX, V, XXXVI

  3. V, XX, XXXVI

  4. XXXVI, XX, V

Show answer
Correct Option: C
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. 

Therefore, Ascending order is: V, XX, XXXVI

The product obtained when 13 is multiplied by 7 is

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

  1. XXCI

  2. LXI

  3. XCI

  4. CI

Show answer
Correct Option: C
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.

 

13 $\displaystyle \times $ 7 = 91
91 $\displaystyle \rightarrow $ XCI

When a Roman numeral of smaller value is put between two numbers of greater value, it is subtracted from the numeral on its ...........

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

  1. Left

  2. Right

  3. Both sides

  4. Next numeral from left

Show answer
Correct Option: B
Explanation:
             ANS. RIGHT (B)
             EXAMPLE: XIV=14
                                 X+IV=10+4
                 In it I is subtracted from base number V to make it 4.
              Therefore, in roman numerals lesser number which is to be  subtracted is placed on the left side and subtracted from the base number on right side.

Which of the following are meaningless?

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

  1. VX

  2. IXIV

  3. XIIV

  4. All the above

Show answer
Correct Option: D
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.

As the above numbers on solving are negative, they all are meaningless

The Roman numeral for 3721 : 61 is

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

  1. LC

  2. XLI

  3. LXI

  4. CM

Show answer
Correct Option: C
Explanation:

3721 $\displaystyle \div $ 61 = 61

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 $ 61 = LXI

Roman numeral for 2143 is

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

  1. MMCXLIII

  2. MMCLIII

  3. MMCXLII

  4. none of these

Show answer
Correct Option: A
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.

 

MMCXLIII

Compare XXII &$\displaystyle  $ 12 (using >, <, =)

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

  1. >

  2. <

  3. =

  4. none

Show answer
Correct Option: A
Explanation:

XXII $\displaystyle $ 12
22 > 12

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.