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# NCERT Books Solutions for Class 6 Mathematics english Medium 1. Knowing Our Numbers

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## Exercise-1.1 ch-1

1. Fill in the blanks:

(a) 1 lakh = 10____ ten thousand.
(b) 1 million =10____  hundred thousand.
(c) 1 crore = 10____ ten lakh.
(d) 1 crore = 10____  million.
(e) 1 million = 10____ lakh.
2. Place commas correctly and write the numerals:
(a) Seventy three lakh seventy five thousand three hundred seven. 73,75,307
(b) Nine crore five lakh forty one. 9,05,00,041
(c) Seven crore fifty two lakh twenty one thousand three hundred two. 7,52,21,302
(d) Fifty eight million four hundred twenty three thousand two hundred two.6,84,23,202
(e) Twenty three lakh thirty thousand ten. 23,30,010
3. Insert commas suitably and write the names according to Indian System of
Numeration :
(a) 8,75,95,762 : eight crore, seventy five lakh, ninety five thousand, seven hundred                  sixty two

(b) 85,46,283 : eighty five lakh, fourty`six thousand,

(c) 9,99,00,046 : nine crore ninety nine lakh fourty six.

(d) 9,84,32,701 : nine crore eigty four lakh thirty two seven hundred one.

4. Insert commas suitably and write the names according to International System
of Numeration :
(a) 78921092 : 78,921,092

(b) 7452283 : 7,452,283

(c) 99985102 : 99,985,102

(d) 48049831 : 48,049,831

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##### NCERT Solutions⇒Class 6th ⇒ Mathematics ⇒ Chapter 1. Knowing Our Numbers

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