The document RD Sharma Solutions: Exercise 1.1- Knowing Our Numbers Notes | EduRev is a part of the Class 6 Course Mathematics (Maths) Class 6.

All you need of Class 6 at this link: Class 6

**Q.1. ****Fill in the blanks:**

**(a). 1 lakh = _________ ten thousand.**

**(b). 1 million = _________ hundred thousand.**

**(c). 1 crore = _________ ten lakh.**

**(d). 1 crore = _________ million.**

**(e). 1 million = _________ lakh.**

**Ans: **

a) lakh =ten thousand

(1 lakh = 1,00,000 and ten thousand = 10,000)

(b) 1 million =hundred thousand

(1 million = 1,000,000 and 1 hundred thousand = 1, 00,000)

(c) 1 crore = ten lakh

(1 crore = 1,00,00,000 and Ten lakh = 10,00,000)

(d) 1 crore = million

(1 crore = 1,00,00,000 and 1 million = 1,000,000)

(e) 1 million = lakh

(1 million = 1,000,000 and 1 lakh = 1,00,000)

**Q.2. ****Place commas correctly and write the numerals:**

**(a). Seventy three lakh seventy five thousand three hundred seven.**

**(b). Nine crore five lakh forty one.**

**(c). Seven crore fifty two lakh twenty one thousand three hundred two.**

**(d). Fifty eight million four hundred twenty three thousand two hundred two.**

**(e). Twenty three lakh thirty thousand ten.**

**Ans: **

**(a)** 73,75,307

**(b)** 9,05,00,041

**(c) **7,52,21,302

**(d) **58,423,202

**(e) **23,30,010

**Q.3. ****Insert commas suitably and write the names according to Indian System of Numeration:**

**(a). 87595762 (b). 8546283**

**(c). 99900046 (d). 98432701**

**Ans: **

**(a) **8,75,95,762

Eight crore seventy five lakh ninety five thousand seven hundred sixty two

**(b) **85,46,283

Eighty five lakh forty six thousand two hundred eighty three

**(c)** 9,99,00,046

Nine crore ninety nine lakh forty six

**(d)** 9,84,32,701

Nine crore eighty four lakh thirty two thousand seven hundred one

**Q.4. ****Insert commas suitably and write the names according to International System of Numeration:**

**(a). 78921092 (b). 7452283**

**(c). 99985102 (c). 48049831**

**Ans:**

**(a)** 78,921,092

Seventy eight million nine hundred twenty one thousand ninety two

**(b) **7,452,283

Seven million four hundred fifty two thousand two hundred eighty three

**(c)** 99,985,102

Ninety nine million nine hundred eighty five thousand one hundred two

**(d) **48, 049,831

Forty eight million forty nine thousand eight hundred thirty one

Offer running on EduRev: __Apply code STAYHOME200__ to get INR 200 off on our premium plan EduRev Infinity!

191 videos|220 docs|43 tests