Q1: Write the romannumerals for each of the following:
(i) 33
(ii) 48
(iii) 76
(iv) 95
Ans:
(i) The romannumeral of 33 is XXXIII.
(ii) The romannumeral of 48 is XLVIII.
(iii) The romannumeral of 76 is LXXVI.
(iv) The romannumeral of 95 is XCV.
Q2: Write the following in Roman numerals:
(i) 154
(ii) 173
(iii) 248
(iv) 319
Ans:
(i) The romannumeral of 154 is CLIV.
(ii) The romannumeral of 173 is CLXXIII.
(iii) The romannumeral of 248 is CCXLVIII.
(iv) The romannumeral of 319 is CCCXIX.
Q3: Write the following in Roman numerals:
(i) 1008
(ii) 2718
(iii) 3906
(iv) 3794
Ans:
(i) The romannumeral of 1008 is MVIII.
(ii) The romannumeral of 2718 is MMDCCXVIII.
(iii) The romannumeral of 3906 is MMMCMVI.
(iv) The romannumeral of 3794 is MMMDCCXCIV.
Q4: Write the following in Roman numerals:
(i) 4201
(ii) 10009
(iii) 44000
(iv) 25819
Ans:
(i) The romannumeral of 4201 is MVCCI.
(ii) The romannumeral of 10009 is XIX.
(iii) The romannumeral of 44000 is
.
(iv) The romannumeral of 25819 is
DCCCXIX.
Q5: Write the following in HinduArabic numerals:
(i) XXVI
(ii) XXIX
(iii) LXXII
(iv) XCI
Ans:
(i) The HinduArabic numerals of XXVI is 26.
(ii) The HinduArabic numerals of XXIX is 29.
(iii) The HinduArabic numerals of LXXII is 72.
(iv) The HinduArabic numerals of XCI is 91.
Q6: Write the corresponding HinduArabic numerals for each of the following:
(i) CIX
(ii) CLXXII
(iii) CCLIV
(iv) CCCXXIX
Ans:
(i) The HinduArabic numerals of CIX is 109.
(ii) The HinduArabic numerals of CLXXII is 172.
(iii) The HinduArabic numerals of CCLIV is 254.
(iv) The HinduArabic numerals of CCCXXIX is 329.
Q7: Write the corresponding HinduArabic numerals for each of the following:
(i) KXIX
(ii) KDLXV
(iii) KKCXXIII
(iv) KKKDCXL
Ans:
(i) The HinduArabic numerals of KXIX is 1019.
(ii) The HinduArabic numerals of KDLXV is 1565.
(iii) The HinduArabic numerals of KKCXXIII is 2123.
(iv) The HinduArabic numerals of KKKDCXL is 3640.
Q8: Write the following in HinduArabic numerals:
Ans:
(i) The HinduArabic numerals of
is 4444.
(ii) The HinduArabic numerals of
is 6949.
(iii) The HinduArabic numerals of
is 9391.
(iv) The HinduArabic numerals of
is 70009.
Q9: Which of the following are meaningless?
(i) CC
(ii) KKKCCXI
(iii) XD
(iv) VC
Ans: In the given question we know that (i), (iii) and (iv) are meaningless.
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1. What are the different types of numbers discussed in the RD Sharma Solutions for Knowing Our Numbers? 
2. How can one differentiate between rational and irrational numbers as explained in the RD Sharma Solutions? 
3. How are whole numbers different from natural numbers according to the RD Sharma Solutions? 
4. Can you explain the concept of integers as elaborated in the RD Sharma Solutions for Knowing Our Numbers? 
5. How do the RD Sharma Solutions for Knowing Our Numbers help in understanding the concept of numbers better for students? 

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