**NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Ex 1.1****NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Ex 1.2**

**NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Ex 1.1 (Rationalised Contents)**

**Ex 1.1 C****lass 6 Maths**** Question
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.

**Solution:
**(a) 1 lakh =

**ten thousand.**

__ten__(b) 1 million =

**hundred thousand.**

__ten__(c) 1 crore =

**ten lakh**

__ten__(d) 1 crore =

**million**

__ten__(e) 1 million =

**lakh**

__ten__**Ex 1.1 C****lass 6 Maths**** Question 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.

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

(b) 9,05,00,041

(c) 7,52,21,302

(d) 58,423,202

(e) 23,30,010

**Ex 1.1 C****lass 6 Maths**** Question 3.**

Insert commas suitably and write the names
according to Indian System of Numeration:(a) 87595762

(b) 8546283

(c) 99900046

(d) 98432701

**Solution:****
**(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)

**Ex 1.1 C****lass 6 Maths**** Question 4.**

Insert commas suitably and write the names
according to International System of Numeration:(a) 78921092

(b) 7452283

(c) 99985102

(d) 48049831

**Solution:****
**(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)

**Related Links:**

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**NCERT Solutions for Maths Class 8**

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**NCERT Solutions for Maths Class 10**