NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Ex 1.1 are part of NCERT Solutions for Class 6 Maths. Here we have given NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Ex 1.1.

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 6 |

Subject |
Maths |

Chapter |
Chapter 1 |

Chapter Name |
Knowing Our Numbers |

Exercise |
Ex 1.1 |

Number of Questions Solved |
4 |

Category |
NCERT Solutions |

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

**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)** 10

**(b)** 10

**(c)** 10

**(d)** 10

**(e)** 10

**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

**Question 3.**

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

**(a)** 87595762

**(b)** 8546283

**(c)** 99900046

**(d)** 98432701

**Solution:**

Inserting the commas according to Indian System of Numeration and also writing the number names: .

**(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.

**Question 4.**

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

**(a)** 78921092

**(b)** 7452283

**(c)** 99985102

**(d)** 48049831

**Solution:**

Inserting the commas according to International System of Numeration and also writing the number names:

**(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.

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