These NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Ex 1.1 Questions and Answers are prepared by our highly skilled subject experts.
NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Exercise 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.
Answer:
(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.
Answer:
(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
Answer:
(a) 8,75,95,762: Eight crore seventy-five lakh ninety-five thousand seven hundred sixty-two.
(b) 85,46,283: Eight-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
Answer:
(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.