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# Mathematics – Class 6 – Chapter 1 – Knowing Our Number – NCERT Exercise 1.1 Solutions

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

Q2. 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.

### 2 thoughts on “Mathematics – Class 6 – Chapter 1 – Knowing Our Number – NCERT Exercise 1.1 Solutions”

1. Telugu is not there please telugu also

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