Mathematics- Class 6- chapter 1 – Knowing Our Number – NCERT Exercise Solutions is provided below. Total Questions are in this **CBSE NCERT Exercise,** all are solved here.

**Exercise 1.1**

**Q1. Fill in the blanks:**

**(a) 1 lakh = …… ten thousand.**

**Answer:**

1 lakh = 10 ten thousand

= 1,00,000

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

**Answer:**

1 million = 10 hundred thousand

= 10,00,000

**(c) 1 crore = …… ten lakh.**

**Answer:**

1 crore = 10 ten lakh

= 1,00,00,000

**(d) 1 crore = …… million.**

**Answer:**

1 crore = 10 million

= 1,00,00,000

**(e) 1 million = …… lakh.**

**Answer:**

1 million = 10 lakh

= 1,000,000

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

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

**Answer:**

73,75,307

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

**Answer:**

9,05,00,041

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

**Answer:**

7,52,21,302

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

**Answer:**

5,84,23,202

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

**Answer:**

23,30,010

**Q3. Insert commas suitably and write the names according to Indian System of Numeration:**

**(a) 87595762**

**Answer:**

8,75,95,762 – Eight crore seventy five lakh ninety five thousand seven hundred sixty two.

**(b) 8546283**

**Answer:**

85,46,283 – Eighty five lakh forty six thousand two hundred eighty three.

**(c) 99900046**

**Answer:**

99900046 – Nine crore ninety nine lakh forty six.

**(d) 98432701**

**Answer:**

9,84,32,701 – Nine crore eighty four lakh thirty two thousand seven hundred one.

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

**(a) 78921092**

**Answer:**

78,921,092 – Seventy eight million nine hundred twenty one thousand ninety two.

**(b) 7452283**

**Answer:**

7,452,283 – Seven million four hundred fifty two thousand two hundred eighty three.

**(c) 99985102**

**Answer:**

99,985,102 – Ninety nine million nine hundred eighty five thousand one hundred two.

**(d) 48049831**

**Answer:**

48,049,831 – Forty eight million forty nine thousand eight hundred thirty one.

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Telugu is not there please telugu also