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)** 1 lakh = ten ten thousand.

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

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

**(d)** 1 crore = ten million

**(e)** 1 million = ten lakh

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 crores 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 :

**(a)** 8, 75, 95, 762. Eight crores seventy-five lakh ninety-five thousand seven hundred and sixty-two.

**(b)** 85, 46, 283. Eighty-five lakh forty-six thousand two hundred and eighty-three.

**(c)** i 9, 99, 00, 046. Nine crore ninety-nine lakh and forty-six.

**(d)** 9, 84, 32, 701. Nine crore eighty-four lakh thirty-two thousand seven hundred and 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 :

**(a)** 78,921,092. Seventy-eight million nine hundred twenty-one thousand and ninety-two.

**(b)** 7.452,283. Seven million four hundred fifty-two thousand two hundred and eighty-three.

**(c)** 99. 985. 102. Ninety-nine million nine hundred eighty-five thousand one hundred and two.

**(d)** 48. 049. 831. Forty-eight million forty-nine thousand eight hundred and thirty-one.

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