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Ex-1.10 Knowing Our Numbers, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics PDF Download

Q1) Write the roman – numerals for each of the following:

i) 33

ii) 48

iii) 76

iv) 95

Sol : i) XXXIII

ii) XLVIII

iii) LXXVI

iv) XCV


Q2) Write the following in roman numerals:

i) 154

ii) 173

iii) 248

iv) 319

SOL : i) CLIV

ii) CLXXIII

iii) CCXLVIII

iv) CCCXIX


Q3) Write the following in roman numerals:

i) 1008

ii) 2718

iii) 3906

iv) 3794

SOL : i) KVIII

ii) KKDCCXVIII

iii) KKKCKVI

iv) KKKDCCXCIV


Q4) Write the following in roman numerals :

i) 4201

ii) 10009

iii) 44000

iv) 25819

SOL : i) IV¯CCI

ii) X¯IX

iii) XLIV¯

iv) XXV¯DCCCXIX


Q5) Write the following in Hindu – Arabic numerical:

i) XXVI

ii) XXIX

iii) LXXII

iv) XCI

SOL : i) 26

ii) 29

iii) 72

iv) 91


Q6) Write the corresponding Hindu – Arabic numerical for each of the following :

i) CIX

ii) CLXXII

iii) CCLIV

iv) CCCXXIX

SOL : i) 109

ii) 172

iii) 254

iv) 329


Q7) Write the corresponding Hindu – Arabic numerical for each of the following :

i) KXIX

ii) KDLXV

iii) KKCXXIII

iv) KKKDCXL

SOL : i) 1019

ii) 1565

iii) 2123

iv) 3640


Q8)Write the following in Hindu – Arabic numerical :

i) IV¯CDXLIV

ii) VI¯CKXLIX

iii) IX¯CCCXCI

iv) LX¯XIX

SOL : i) 4444

ii) 6949

iii) 9391

iv) 70009


Q9) Which of the following is meaningless ?

i) III¯CC<

ii) KKKCCXI

iii) XD

iv) VC

SOL : (i) and (iii) are meaningless.

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FAQs on Ex-1.10 Knowing Our Numbers, Class 6, Maths RD Sharma Solutions - RD Sharma Solutions for Class 6 Mathematics

1. What is the importance of knowing our numbers in mathematics?
Ans. Knowing our numbers is important in mathematics as it forms the foundation for all mathematical operations. It helps us in counting, comparing, and understanding the magnitude of numbers. It also enables us to solve various mathematical problems and equations.
2. How can knowing our numbers help in everyday life situations?
Ans. Knowing our numbers is essential in everyday life situations such as shopping, budgeting, cooking, and measuring. It helps us in calculating prices, keeping track of expenses, following recipes, and measuring quantities accurately.
3. How can we improve our understanding of numbers?
Ans. To improve our understanding of numbers, we can practice solving mathematical problems and equations regularly. We can also engage in activities that involve counting, comparing, and measuring. Additionally, using number lines, charts, and manipulatives can aid in visualizing and comprehending numbers.
4. What are prime numbers and why are they important?
Ans. Prime numbers are numbers that have only two factors - 1 and the number itself. They cannot be divided evenly by any other number. Prime numbers are important as they have various applications in mathematics, computer science, and cryptography. They play a crucial role in number theory and are used in algorithms for encryption and security purposes.
5. How can knowing our numbers help in problem-solving?
Ans. Knowing our numbers is essential in problem-solving as it allows us to understand the given information, identify patterns, and apply appropriate mathematical operations. It helps in interpreting data, making calculations, and finding solutions to various real-life and mathematical problems.
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