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

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Textbook | NCERT |

Board | CBSE |

Category | NCERT Solutions |

Class | Class 6 |

Subject | Maths |

Chapter | Chapter 1 |

Chapter Name | Knowing Our Numbers Ex 1.1 |

Number of Questions Solved | 6 |

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

**NCERT TEXTBOOK EXERCISES**

**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.

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

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